31021122112013 has 8 divisors (see below), whose sum is σ = 33898291960896. Its totient is φ = 28153463569600.

The previous prime is 31021122111971. The next prime is 31021122112033.

31021122112013 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31021122112013 - 2²² = 31021117917709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021122112033) 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, 2377819793 + ... + 2377832838.

It is an arithmetic number, because the mean of its divisors is an integer number (4237286495112).

Almost surely, 2^{31021122112013} is an apocalyptic number.

It is an amenable number.

31021122112013 is a deficient number, since it is larger than the sum of its proper divisors (2877169848883).

31021122112013 is a wasteful number, since it uses less digits than its factorization.

31021122112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755653235.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 3102112 and 2112013, that added together give a palindrome (5214125).

The spelling of 31021122112013 in words is "thirty-one trillion, twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, thirteen".