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120131313031020 = 22355873410883391
BaseRepresentation
bin11011010100001001000000…
…001111010101011101101100
3120202100102220202102011111210
4123110021000033111131230
5111221212412113443040
61103255321402514420
734206125632424244
oct3324110017253554
9522312822364453
10120131313031020
1135306449430a45
1211582305805a10
13520544634c825
14219455aa8cb24
15dd4d578d0480
hex6d42403d576c

120131313031020 has 48 divisors (see below), whose sum is σ = 336940704995328. Its totient is φ = 31980442664640.

The previous prime is 120131313031007. The next prime is 120131313031021. The reversal of 120131313031020 is 20130313131021.

It is a happy number.

120131313031020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (120131313031021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705406476 + ... + 1705476915.

It is an arithmetic number, because the mean of its divisors is an integer number (7019598020736).

Almost surely, 2120131313031020 is an apocalyptic number.

120131313031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120131313031020 is an abundant number, since it is smaller than the sum of its proper divisors (216809391964308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120131313031020 is a wasteful number, since it uses less digits than its factorization.

120131313031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410883990 (or 3410883988 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 120131313031020 its reverse (20130313131021), we get a palindrome (140261626162041).

The spelling of 120131313031020 in words is "one hundred twenty trillion, one hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 587 1174 1761 2348 2935 3522 5870 7044 8805 11740 17610 35220 3410883391 6821766782 10232650173 13643533564 17054416955 20465300346 34108833910 40930600692 51163250865 68217667820 102326501730 204653003460 2002188550517 4004377101034 6006565651551 8008754202068 10010942752585 12013131303102 20021885505170 24026262606204 30032828257755 40043771010340 60065656515510 120131313031020