31213143141110 has 32 divisors (see below), whose sum is σ = 64210760976960. Its totient is φ = 10701504657792.

The previous prime is 31213143141097. The next prime is 31213143141133. The reversal of 31213143141110 is 1114134131213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31213143141110.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2281376 + ... + 8223804.

It is an arithmetic number, because the mean of its divisors is an integer number (2006586280530).

Almost surely, 2^{31213143141110} is an apocalyptic number.

31213143141110 is an abundant number, since it is smaller than the sum of its proper divisors (32997617835850).

31213143141110 is a wasteful number, since it uses less digits than its factorization.

31213143141110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017480.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 31213143141110 its reverse (1114134131213), we get a palindrome (32327277272323).

The spelling of 31213143141110 in words is "thirty-one trillion, two hundred thirteen billion, one hundred forty-three million, one hundred forty-one thousand, one hundred ten".