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31313201012130 = 2351043773367071
BaseRepresentation
bin1110001111010101011000…
…01110010001110110100010
311002212111211211002002222110
413013222230032101312202
513101013413424342010
6150333030322220150
76411206211666462
oct707525416216642
9132774754062873
1031313201012130
119a82943702024
12361885b7b4656
131461a8c45826b
147a37d1c67ba2
153947dcb0a120
hex1c7aac391da2

31313201012130 has 16 divisors (see below), whose sum is σ = 75151682429184. Its totient is φ = 8350186936560.

The previous prime is 31313201012077. The next prime is 31313201012131. The reversal of 31313201012130 is 3121010231313.

It is a happy number.

It is a super-3 number, since 3×313132010121303 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31313201012097 and 31313201012106.

It is not an unprimeable number, because it can be changed into a prime (31313201012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521886683506 + ... + 521886683565.

It is an arithmetic number, because the mean of its divisors is an integer number (4696980151824).

Almost surely, 231313201012130 is an apocalyptic number.

31313201012130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31313201012130 is an abundant number, since it is smaller than the sum of its proper divisors (43838481417054).

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

31313201012130 is a wasteful number, since it uses less digits than its factorization.

31313201012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043773367081.

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

Adding to 31313201012130 its reverse (3121010231313), we get a palindrome (34434211243443).

The spelling of 31313201012130 in words is "thirty-one trillion, three hundred thirteen billion, two hundred one million, twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1043773367071 2087546734142 3131320101213 5218866835355 6262640202426 10437733670710 15656600506065 31313201012130