131334403507 has 2 divisors, whose sum is σ = 131334403508. Its totient is φ = 131334403506.

The previous prime is 131334403493. The next prime is 131334403537. The reversal of 131334403507 is 705304433131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131334403507 - 2⁷ = 131334403379 is a prime.

It is not a weakly prime, because it can be changed into another prime (131334403537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65667201753 + 65667201754.

It is an arithmetic number, because the mean of its divisors is an integer number (65667201754).

Almost surely, 2^131334403507 is an apocalyptic number.

131334403507 is a deficient number, since it is larger than the sum of its proper divisors (1).

131334403507 is an equidigital number, since it uses as much as digits as its factorization.

131334403507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 131334403507 its reverse (705304433131), we get a palindrome (836638836638).

The spelling of 131334403507 in words is "one hundred thirty-one billion, three hundred thirty-four million, four hundred three thousand, five hundred seven".