131312212963 has 2 divisors, whose sum is σ = 131312212964. Its totient is φ = 131312212962.

The previous prime is 131312212951. The next prime is 131312213027. The reversal of 131312212963 is 369212213131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131312212963 is a prime.

It is not a weakly prime, because it can be changed into another prime (131312212903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656106481 + 65656106482.

It is an arithmetic number, because the mean of its divisors is an integer number (65656106482).

Almost surely, 2^131312212963 is an apocalyptic number.

131312212963 is a deficient number, since it is larger than the sum of its proper divisors (1).

131312212963 is an equidigital number, since it uses as much as digits as its factorization.

131312212963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The spelling of 131312212963 in words is "one hundred thirty-one billion, three hundred twelve million, two hundred twelve thousand, nine hundred sixty-three".