31264472295919 has 2 divisors, whose sum is σ = 31264472295920. Its totient is φ = 31264472295918.

The previous prime is 31264472295893. The next prime is 31264472296009. The reversal of 31264472295919 is 91959227446213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31264472295919 is a prime.

It is a super-2 number, since 2×31264472295919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31267472295919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632236147959 + 15632236147960.

It is an arithmetic number, because the mean of its divisors is an integer number (15632236147960).

Almost surely, 2^{31264472295919} is an apocalyptic number.

31264472295919 is a deficient number, since it is larger than the sum of its proper divisors (1).

31264472295919 is an equidigital number, since it uses as much as digits as its factorization.

31264472295919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 64.

The spelling of 31264472295919 in words is "thirty-one trillion, two hundred sixty-four billion, four hundred seventy-two million, two hundred ninety-five thousand, nine hundred nineteen".