31021412031142 has 32 divisors (see below), whose sum is σ = 52045362109440. Its totient is φ = 13770713072160.

The previous prime is 31021412031047. The next prime is 31021412031167. The reversal of 31021412031142 is 24113021412013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117930292 + ... + 118193047.

It is an arithmetic number, because the mean of its divisors is an integer number (1626417565920).

Almost surely, 2^{31021412031142} is an apocalyptic number.

31021412031142 is a deficient number, since it is larger than the sum of its proper divisors (21023950078298).

31021412031142 is a wasteful number, since it uses less digits than its factorization.

31021412031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236123548.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31021412031142 its reverse (24113021412013), we get a palindrome (55134433443155).

The spelling of 31021412031142 in words is "thirty-one trillion, twenty-one billion, four hundred twelve million, thirty-one thousand, one hundred forty-two".