31312102030113 has 8 divisors (see below), whose sum is σ = 43096226450176. Its totient is φ = 20201356148400.

The previous prime is 31312102030063. The next prime is 31312102030123. The reversal of 31312102030113 is 31103020121313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31312102030113 - 2⁴¹ = 29113078774561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31312102030113.

It is not an unprimeable number, because it can be changed into a prime (31312102030123) 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, 168344634478 + ... + 168344634663.

It is an arithmetic number, because the mean of its divisors is an integer number (5387028306272).

Almost surely, 2^{31312102030113} is an apocalyptic number.

It is an amenable number.

31312102030113 is a deficient number, since it is larger than the sum of its proper divisors (11784124420063).

31312102030113 is a wasteful number, since it uses less digits than its factorization.

31312102030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336689269175.

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

Adding to 31312102030113 its reverse (31103020121313), we get a palindrome (62415122151426).

The spelling of 31312102030113 in words is "thirty-one trillion, three hundred twelve billion, one hundred two million, thirty thousand, one hundred thirteen".