31312113023033 has 32 divisors (see below), whose sum is σ = 32772528771840. Its totient is φ = 29878322745600.

The previous prime is 31312113023027. The next prime is 31312113023057. The reversal of 31312113023033 is 33032031121313.

It is a cyclic number.

It is not a de Polignac number, because 31312113023033 - 2¹⁰ = 31312113022009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31312113022993 and 31312113023011.

It is not an unprimeable number, because it can be changed into a prime (31342113023033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4162180610 + ... + 4162188132.

It is an arithmetic number, because the mean of its divisors is an integer number (1024141524120).

Almost surely, 2^{31312113023033} is an apocalyptic number.

It is an amenable number.

31312113023033 is a deficient number, since it is larger than the sum of its proper divisors (1460415748807).

31312113023033 is a wasteful number, since it uses less digits than its factorization.

31312113023033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31312113023033 its reverse (33032031121313), we get a palindrome (64344144144346).

The spelling of 31312113023033 in words is "thirty-one trillion, three hundred twelve billion, one hundred thirteen million, twenty-three thousand, thirty-three".