31131330107 has 2 divisors, whose sum is σ = 31131330108. Its totient is φ = 31131330106.

The previous prime is 31131330077. The next prime is 31131330127. The reversal of 31131330107 is 70103313113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31131330107 - 2¹⁴ = 31131313723 is a prime.

It is not a weakly prime, because it can be changed into another prime (31131330127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15565665053 + 15565665054.

It is an arithmetic number, because the mean of its divisors is an integer number (15565665054).

Almost surely, 2^31131330107 is an apocalyptic number.

31131330107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31131330107 is an equidigital number, since it uses as much as digits as its factorization.

31131330107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 23.

The spelling of 31131330107 in words is "thirty-one billion, one hundred thirty-one million, three hundred thirty thousand, one hundred seven".