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131012224210120 = 23511297755055023
BaseRepresentation
bin11101110010011110101001…
…000101011101010011001000
3122011212122110011102221001211
4131302132221011131103020
5114133001013344210440
61142350103535422504
736411215022424201
oct3562365105352310
9564778404387054
10131012224210120
1138820a770a3110
121283b068984a34
135814527298346
14244d04dd085a8
151022dde0bceea
hex7727a915d4c8

131012224210120 has 32 divisors (see below), whose sum is σ = 321575459425920. Its totient is φ = 47640808803520.

The previous prime is 131012224210081. The next prime is 131012224210123. The reversal of 131012224210120 is 21012422210131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 131012224210091 and 131012224210100.

It is not an unprimeable number, because it can be changed into a prime (131012224210123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148877527072 + ... + 148877527951.

It is an arithmetic number, because the mean of its divisors is an integer number (10049233107060).

Almost surely, 2131012224210120 is an apocalyptic number.

131012224210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224210120 is an abundant number, since it is smaller than the sum of its proper divisors (190563235215800).

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

131012224210120 is a wasteful number, since it uses less digits than its factorization.

131012224210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297755055045 (or 297755055041 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131012224210120 its reverse (21012422210131), we get a palindrome (152024646420251).

The spelling of 131012224210120 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 297755055023 595510110046 1191020220092 1488775275115 2382040440184 2977550550230 3275305605253 5955101100460 6550611210506 11910202200920 13101222421012 16376528026265 26202444842024 32753056052530 65506112105060 131012224210120