31404664051 has 2 divisors, whose sum is σ = 31404664052. Its totient is φ = 31404664050.

The previous prime is 31404664001. The next prime is 31404664069. The reversal of 31404664051 is 15046640413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31404664051 - 2⁷ = 31404663923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31404663998 and 31404664016.

It is not a weakly prime, because it can be changed into another prime (31404664001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702332025 + 15702332026.

It is an arithmetic number, because the mean of its divisors is an integer number (15702332026).

Almost surely, 2^31404664051 is an apocalyptic number.

31404664051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31404664051 is an equidigital number, since it uses as much as digits as its factorization.

31404664051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 31404664051 in words is "thirty-one billion, four hundred four million, six hundred sixty-four thousand, fifty-one".