31023111132013 has 32 divisors (see below), whose sum is σ = 41660776120320. Its totient is φ = 22310378458560.

The previous prime is 31023111132001. The next prime is 31023111132017.

31023111132013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31023111132013 - 2⁴¹ = 28824087876461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023111132017) 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, 2926356 + ... + 8402962.

It is an arithmetic number, because the mean of its divisors is an integer number (1301899253760).

Almost surely, 2^{31023111132013} is an apocalyptic number.

It is an amenable number.

31023111132013 is a deficient number, since it is larger than the sum of its proper divisors (10637664988307).

31023111132013 is a wasteful number, since it uses less digits than its factorization.

31023111132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482297.

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

It can be divided in two parts, 3102311 and 1132013, that added together give a palindrome (4234324).

The spelling of 31023111132013 in words is "thirty-one trillion, twenty-three billion, one hundred eleven million, one hundred thirty-two thousand, thirteen".