31232431007 has 8 divisors (see below), whose sum is σ = 31346076960. Its totient is φ = 31118945760.

The previous prime is 31232430979. The next prime is 31232431039. The reversal of 31232431007 is 70013423213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31232431007 - 2²² = 31228236703 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 (31232431057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356294 + ... + 435212.

It is an arithmetic number, because the mean of its divisors is an integer number (3918259620).

Almost surely, 2^31232431007 is an apocalyptic number.

31232431007 is a deficient number, since it is larger than the sum of its proper divisors (113645953).

31232431007 is a wasteful number, since it uses less digits than its factorization.

31232431007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80353.

The product of its (nonzero) digits is 3024, while the sum is 26.

The spelling of 31232431007 in words is "thirty-one billion, two hundred thirty-two million, four hundred thirty-one thousand, seven".