312031013042 has 48 divisors (see below), whose sum is σ = 554832400320. Its totient is φ = 131189883552.

The previous prime is 312031013029. The next prime is 312031013089. The reversal of 312031013042 is 240310130213.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2760428 + ... + 2871240.

It is an arithmetic number, because the mean of its divisors is an integer number (11559008340).

Almost surely, 2^312031013042 is an apocalyptic number.

312031013042 is a deficient number, since it is larger than the sum of its proper divisors (242801387278).

312031013042 is a wasteful number, since it uses less digits than its factorization.

312031013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111375 (or 111368 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312031013042 its reverse (240310130213), we get a palindrome (552341143255).

The spelling of 312031013042 in words is "three hundred twelve billion, thirty-one million, thirteen thousand, forty-two".