31113303302012 has 12 divisors (see below), whose sum is σ = 55340875545816. Its totient is φ = 15301624574640.

The previous prime is 31113303302009. The next prime is 31113303302023. The reversal of 31113303302012 is 21020330331113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63756768818 + ... + 63756769305.

It is an arithmetic number, because the mean of its divisors is an integer number (4611739628818).

Almost surely, 2^{31113303302012} is an apocalyptic number.

It is an amenable number.

31113303302012 is a deficient number, since it is larger than the sum of its proper divisors (24227572243804).

31113303302012 is a wasteful number, since it uses less digits than its factorization.

31113303302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127513538188 (or 127513538186 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31113303302012 its reverse (21020330331113), we get a palindrome (52133633633125).

The spelling of 31113303302012 in words is "thirty-one trillion, one hundred thirteen billion, three hundred three million, three hundred two thousand, twelve".