31628584051 has 2 divisors, whose sum is σ = 31628584052. Its totient is φ = 31628584050.

The previous prime is 31628584019. The next prime is 31628584087. The reversal of 31628584051 is 15048582613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31628584051 - 2⁵ = 31628584019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31628583989 and 31628584007.

It is not a weakly prime, because it can be changed into another prime (31628584451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15814292025 + 15814292026.

It is an arithmetic number, because the mean of its divisors is an integer number (15814292026).

Almost surely, 2^31628584051 is an apocalyptic number.

31628584051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31628584051 is an equidigital number, since it uses as much as digits as its factorization.

31628584051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 31628584051 in words is "thirty-one billion, six hundred twenty-eight million, five hundred eighty-four thousand, fifty-one".