31133013013112 has 16 divisors (see below), whose sum is σ = 58390214789400. Its totient is φ = 15562289069280.

The previous prime is 31133013013079. The next prime is 31133013013183. The reversal of 31133013013112 is 21131031033113.

It is a super-2 number, since 2×31133013013112² (a number of 28 digits) contains 22 as substring.

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, 527148287 + ... + 527207342.

Almost surely, 2^{31133013013112} is an apocalyptic number.

It is an amenable number.

31133013013112 is a deficient number, since it is larger than the sum of its proper divisors (27257201776288).

31133013013112 is a wasteful number, since it uses less digits than its factorization.

31133013013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054359326 (or 1054359322 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31133013013112 its reverse (21131031033113), we get a palindrome (52264044046225).

The spelling of 31133013013112 in words is "thirty-one trillion, one hundred thirty-three billion, thirteen million, thirteen thousand, one hundred twelve".