31113120032113 has 16 divisors (see below), whose sum is σ = 36314704995840. Its totient is φ = 26100757935936.

The previous prime is 31113120031979. The next prime is 31113120032119. The reversal of 31113120032113 is 31123002131113.

It is a cyclic number.

It is not a de Polignac number, because 31113120032113 - 2²⁹ = 31112583161201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113120032119) 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 15 ways as a sum of consecutive naturals, for example, 48037695 + ... + 48681067.

It is an arithmetic number, because the mean of its divisors is an integer number (2269669062240).

Almost surely, 2^{31113120032113} is an apocalyptic number.

It is an amenable number.

31113120032113 is a deficient number, since it is larger than the sum of its proper divisors (5201584963727).

31113120032113 is a wasteful number, since it uses less digits than its factorization.

31113120032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790416.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31113120032113 its reverse (31123002131113), we get a palindrome (62236122163226).

The spelling of 31113120032113 in words is "thirty-one trillion, one hundred thirteen billion, one hundred twenty million, thirty-two thousand, one hundred thirteen".