13031707628 has 12 divisors (see below), whose sum is σ = 23235780960. Its totient is φ = 6392913072.

The previous prime is 13031707627. The next prime is 13031707651. The reversal of 13031707628 is 82670713031.

It is a junction number, because it is equal to n+sod(n) for n = 13031707591 and 13031707600.

It is not an unprimeable number, because it can be changed into a prime (13031707627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30734948 + ... + 30735371.

It is an arithmetic number, because the mean of its divisors is an integer number (1936315080).

Almost surely, 2^13031707628 is an apocalyptic number.

It is an amenable number.

13031707628 is a deficient number, since it is larger than the sum of its proper divisors (10204073332).

13031707628 is a wasteful number, since it uses less digits than its factorization.

13031707628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61470376 (or 61470374 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 13031707628 in words is "thirteen billion, thirty-one million, seven hundred seven thousand, six hundred twenty-eight".