31456214863 has 2 divisors, whose sum is σ = 31456214864. Its totient is φ = 31456214862.

The previous prime is 31456214831. The next prime is 31456214893. The reversal of 31456214863 is 36841265413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31456214863 - 2⁵ = 31456214831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31456214893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15728107431 + 15728107432.

It is an arithmetic number, because the mean of its divisors is an integer number (15728107432).

Almost surely, 2^31456214863 is an apocalyptic number.

31456214863 is a deficient number, since it is larger than the sum of its proper divisors (1).

31456214863 is an equidigital number, since it uses as much as digits as its factorization.

31456214863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The spelling of 31456214863 in words is "thirty-one billion, four hundred fifty-six million, two hundred fourteen thousand, eight hundred sixty-three".