31021011012013 has 8 divisors (see below), whose sum is σ = 35008037506080. Its totient is φ = 27228473615280.

The previous prime is 31021011012001. The next prime is 31021011012023.

It is a happy number.

31021011012013 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 31021011012013 - 2⁵ = 31021011011981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021011012023) 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, 48622273995 + ... + 48622274632.

It is an arithmetic number, because the mean of its divisors is an integer number (4376004688260).

Almost surely, 2^{31021011012013} is an apocalyptic number.

It is an amenable number.

31021011012013 is a deficient number, since it is larger than the sum of its proper divisors (3987026494067).

31021011012013 is a wasteful number, since it uses less digits than its factorization.

31021011012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97244548667.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 3102101 and 1012013, that added together give a palindrome (4114114).

The spelling of 31021011012013 in words is "thirty-one trillion, twenty-one billion, eleven million, twelve thousand, thirteen".