31347601207 has 4 divisors (see below), whose sum is σ = 33758955160. Its totient is φ = 28936247256.

The previous prime is 31347601147. The next prime is 31347601223. The reversal of 31347601207 is 70210674313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31347601207 - 2²⁷ = 31213383479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31347601277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205676957 + ... + 1205676982.

It is an arithmetic number, because the mean of its divisors is an integer number (8439738790).

Almost surely, 2^31347601207 is an apocalyptic number.

31347601207 is a deficient number, since it is larger than the sum of its proper divisors (2411353953).

31347601207 is a wasteful number, since it uses less digits than its factorization.

31347601207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411353952.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 31347601207 in words is "thirty-one billion, three hundred forty-seven million, six hundred one thousand, two hundred seven".