31023031113112 has 32 divisors (see below), whose sum is σ = 58851935553600. Its totient is φ = 15329873605024.

The previous prime is 31023031113103. The next prime is 31023031113133. The reversal of 31023031113112 is 21131113032013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42889378 + ... + 43606705.

It is an arithmetic number, because the mean of its divisors is an integer number (1839122986050).

Almost surely, 2^{31023031113112} is an apocalyptic number.

It is an amenable number.

31023031113112 is a deficient number, since it is larger than the sum of its proper divisors (27828904440488).

31023031113112 is a wasteful number, since it uses less digits than its factorization.

31023031113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86496615 (or 86496611 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31023031113112 its reverse (21131113032013), we get a palindrome (52154144145125).

The spelling of 31023031113112 in words is "thirty-one trillion, twenty-three billion, thirty-one million, one hundred thirteen thousand, one hundred twelve".