31423451564051 has 2 divisors, whose sum is σ = 31423451564052. Its totient is φ = 31423451564050.

The previous prime is 31423451564003. The next prime is 31423451564101. The reversal of 31423451564051 is 15046515432413.

It is a weak prime.

It is an emirp because it is prime and its reverse (15046515432413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31423451564051 - 2³⁸ = 31148573657107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31423451563993 and 31423451564011.

It is not a weakly prime, because it can be changed into another prime (31423451564551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711725782025 + 15711725782026.

It is an arithmetic number, because the mean of its divisors is an integer number (15711725782026).

Almost surely, 2^{31423451564051} is an apocalyptic number.

31423451564051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423451564051 is an equidigital number, since it uses as much as digits as its factorization.

31423451564051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 31423451564051 its reverse (15046515432413), we get a palindrome (46469966996464).

The spelling of 31423451564051 in words is "thirty-one trillion, four hundred twenty-three billion, four hundred fifty-one million, five hundred sixty-four thousand, fifty-one".