31042000312 has 64 divisors (see below), whose sum is σ = 60624495360. Its totient is φ = 14890041600.

The previous prime is 31042000309. The next prime is 31042000343. The reversal of 31042000312 is 21300024013.

It is a happy number.

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, 6860883 + ... + 6865405.

It is an arithmetic number, because the mean of its divisors is an integer number (947257740).

Almost surely, 2^31042000312 is an apocalyptic number.

It is an amenable number.

31042000312 is a deficient number, since it is larger than the sum of its proper divisors (29582495048).

31042000312 is a wasteful number, since it uses less digits than its factorization.

31042000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31042000312 its reverse (21300024013), we get a palindrome (52342024325).

The spelling of 31042000312 in words is "thirty-one billion, forty-two million, three hundred twelve", and thus it is an aban number.