31264280320767 has 12 divisors (see below), whose sum is σ = 45138960937224. Its totient is φ = 19239557120160.

The previous prime is 31264280320739. The next prime is 31264280320789. The reversal of 31264280320767 is 76702308246213.

It is not a de Polignac number, because 31264280320767 - 2¹⁸ = 31264280058623 is a prime.

It is a super-2 number, since 2×31264280320767² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31264280320667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30832623084 + ... + 30832624097.

It is an arithmetic number, because the mean of its divisors is an integer number (3761580078102).

Almost surely, 2^{31264280320767} is an apocalyptic number.

31264280320767 is a deficient number, since it is larger than the sum of its proper divisors (13874680616457).

31264280320767 is a wasteful number, since it uses less digits than its factorization.

31264280320767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61665247210 (or 61665247197 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 31264280320767 in words is "thirty-one trillion, two hundred sixty-four billion, two hundred eighty million, three hundred twenty thousand, seven hundred sixty-seven".