31230700007 has 32 divisors (see below), whose sum is σ = 36566449920. Its totient is φ = 26425647360.

The previous prime is 31230700003. The next prime is 31230700027. The reversal of 31230700007 is 70000703213.

It is a cyclic number.

It is not a de Polignac number, because 31230700007 - 2² = 31230700003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230700003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122707 + ... + 1150187.

It is an arithmetic number, because the mean of its divisors is an integer number (1142701560).

Almost surely, 2^31230700007 is an apocalyptic number.

31230700007 is a deficient number, since it is larger than the sum of its proper divisors (5335749913).

31230700007 is a wasteful number, since it uses less digits than its factorization.

31230700007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27663.

The product of its (nonzero) digits is 882, while the sum is 23.

The spelling of 31230700007 in words is "thirty-one billion, two hundred thirty million, seven hundred thousand, seven".