31464750745679 has 2 divisors, whose sum is σ = 31464750745680. Its totient is φ = 31464750745678.

The previous prime is 31464750745669. The next prime is 31464750745721. The reversal of 31464750745679 is 97654705746413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31464750745679 - 2³² = 31460455778383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31464750745639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15732375372839 + 15732375372840.

It is an arithmetic number, because the mean of its divisors is an integer number (15732375372840).

Almost surely, 2^{31464750745679} is an apocalyptic number.

31464750745679 is a deficient number, since it is larger than the sum of its proper divisors (1).

31464750745679 is an equidigital number, since it uses as much as digits as its factorization.

31464750745679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 533433600, while the sum is 68.

The spelling of 31464750745679 in words is "thirty-one trillion, four hundred sixty-four billion, seven hundred fifty million, seven hundred forty-five thousand, six hundred seventy-nine".