31314021230111 has 16 divisors (see below), whose sum is σ = 31690401419040. Its totient is φ = 30940368076800.

The previous prime is 31314021230087. The next prime is 31314021230117. The reversal of 31314021230111 is 11103212041313.

It is a cyclic number.

It is not a de Polignac number, because 31314021230111 - 2³⁰ = 31312947488287 is a prime.

It is a super-2 number, since 2×31314021230111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314021230117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19271711 + ... + 20833311.

It is an arithmetic number, because the mean of its divisors is an integer number (1980650088690).

Almost surely, 2^{31314021230111} is an apocalyptic number.

31314021230111 is a deficient number, since it is larger than the sum of its proper divisors (376380188929).

31314021230111 is a wasteful number, since it uses less digits than its factorization.

31314021230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562474.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 31314021230111 its reverse (11103212041313), we get a palindrome (42417233271424).

The spelling of 31314021230111 in words is "thirty-one trillion, three hundred fourteen billion, twenty-one million, two hundred thirty thousand, one hundred eleven".