31242331007 has 2 divisors, whose sum is σ = 31242331008. Its totient is φ = 31242331006.

The previous prime is 31242330983. The next prime is 31242331019. The reversal of 31242331007 is 70013324213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31242331007 - 2⁶ = 31242330943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31242331067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621165503 + 15621165504.

It is an arithmetic number, because the mean of its divisors is an integer number (15621165504).

Almost surely, 2^31242331007 is an apocalyptic number.

31242331007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31242331007 is an equidigital number, since it uses as much as digits as its factorization.

31242331007 is an evil number, because the sum of its binary digits is even.

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

The spelling of 31242331007 in words is "thirty-one billion, two hundred forty-two million, three hundred thirty-one thousand, seven".