131402634371 has 2 divisors, whose sum is σ = 131402634372. Its totient is φ = 131402634370.

The previous prime is 131402634343. The next prime is 131402634403. The reversal of 131402634371 is 173436204131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131402634371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131402637371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701317185 + 65701317186.

It is an arithmetic number, because the mean of its divisors is an integer number (65701317186).

Almost surely, 2^131402634371 is an apocalyptic number.

131402634371 is a deficient number, since it is larger than the sum of its proper divisors (1).

131402634371 is an equidigital number, since it uses as much as digits as its factorization.

131402634371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 131402634371 in words is "one hundred thirty-one billion, four hundred two million, six hundred thirty-four thousand, three hundred seventy-one".