131316470531 has 2 divisors, whose sum is σ = 131316470532. Its totient is φ = 131316470530.

The previous prime is 131316470521. The next prime is 131316470543. The reversal of 131316470531 is 135074613131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131316470531 - 2¹⁴ = 131316454147 is a prime.

It is a super-2 number, since 2×131316470531² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 131316470491 and 131316470500.

It is not a weakly prime, because it can be changed into another prime (131316470521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65658235265 + 65658235266.

It is an arithmetic number, because the mean of its divisors is an integer number (65658235266).

Almost surely, 2^131316470531 is an apocalyptic number.

131316470531 is a deficient number, since it is larger than the sum of its proper divisors (1).

131316470531 is an equidigital number, since it uses as much as digits as its factorization.

131316470531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 131316470531 in words is "one hundred thirty-one billion, three hundred sixteen million, four hundred seventy thousand, five hundred thirty-one".