31343853876628 has 12 divisors (see below), whose sum is σ = 55017459525952. Its totient is φ = 15624579726360.

The previous prime is 31343853876623. The next prime is 31343853876631. The reversal of 31343853876628 is 82667835834313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343853876623) 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, 11836801500 + ... + 11836804147.

Almost surely, 2^{31343853876628} is an apocalyptic number.

It is an amenable number.

31343853876628 is a deficient number, since it is larger than the sum of its proper divisors (23673605649324).

31343853876628 is a wasteful number, since it uses less digits than its factorization.

31343853876628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673605982 (or 23673605980 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 67.

The spelling of 31343853876628 in words is "thirty-one trillion, three hundred forty-three billion, eight hundred fifty-three million, eight hundred seventy-six thousand, six hundred twenty-eight".