31368143105 has 32 divisors (see below), whose sum is σ = 41059992960. Its totient is φ = 22865955840.

The previous prime is 31368143089. The next prime is 31368143111. The reversal of 31368143105 is 50134186313.

It is not a de Polignac number, because 31368143105 - 2⁴ = 31368143089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11484590 + ... + 11487320.

It is an arithmetic number, because the mean of its divisors is an integer number (1283124780).

Almost surely, 2^31368143105 is an apocalyptic number.

It is an amenable number.

31368143105 is a deficient number, since it is larger than the sum of its proper divisors (9691849855).

31368143105 is a wasteful number, since it uses less digits than its factorization.

31368143105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 31368143105 in words is "thirty-one billion, three hundred sixty-eight million, one hundred forty-three thousand, one hundred five".