31456081307 has 12 divisors (see below), whose sum is σ = 38182715856. Its totient is φ = 25790078160.

The previous prime is 31456081289. The next prime is 31456081367. The reversal of 31456081307 is 70318065413.

It is not a de Polignac number, because 31456081307 - 2⁸ = 31456081051 is a prime.

It is a super-3 number, since 3×31456081307³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31456081367) 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, 13954544 + ... + 13956797.

It is an arithmetic number, because the mean of its divisors is an integer number (3181892988).

Almost surely, 2^31456081307 is an apocalyptic number.

31456081307 is a deficient number, since it is larger than the sum of its proper divisors (6726634549).

31456081307 is a wasteful number, since it uses less digits than its factorization.

31456081307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911378 (or 27911371 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 31456081307 in words is "thirty-one billion, four hundred fifty-six million, eighty-one thousand, three hundred seven".