312303030131 has 2 divisors, whose sum is σ = 312303030132. Its totient is φ = 312303030130.

The previous prime is 312303030113. The next prime is 312303030139. The reversal of 312303030131 is 131030303213.

Together with previous prime (312303030113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312303030131 - 2²⁶ = 312235921267 is a prime.

It is a super-2 number, since 2×312303030131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312303030139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156151515065 + 156151515066.

It is an arithmetic number, because the mean of its divisors is an integer number (156151515066).

Almost surely, 2^312303030131 is an apocalyptic number.

312303030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

312303030131 is an equidigital number, since it uses as much as digits as its factorization.

312303030131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 312303030131 its reverse (131030303213), we get a palindrome (443333333344).

The spelling of 312303030131 in words is "three hundred twelve billion, three hundred three million, thirty thousand, one hundred thirty-one".