31424122013656 has 16 divisors (see below), whose sum is σ = 60951960802800. Its totient is φ = 15170265799584.

The previous prime is 31424122013651. The next prime is 31424122013737. The reversal of 31424122013656 is 65631022142413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424122013651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67724400660 + ... + 67724401123.

It is an arithmetic number, because the mean of its divisors is an integer number (3809497550175).

Almost surely, 2^{31424122013656} is an apocalyptic number.

It is an amenable number.

31424122013656 is a deficient number, since it is larger than the sum of its proper divisors (29527838789144).

31424122013656 is a wasteful number, since it uses less digits than its factorization.

31424122013656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135448801818 (or 135448801814 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 31424122013656 in words is "thirty-one trillion, four hundred twenty-four billion, one hundred twenty-two million, thirteen thousand, six hundred fifty-six".