313424155222531 has 2 divisors, whose sum is σ = 313424155222532. Its totient is φ = 313424155222530.

The previous prime is 313424155222523. The next prime is 313424155222559. The reversal of 313424155222531 is 135222551424313.

It is a weak prime.

It is an emirp because it is prime and its reverse (135222551424313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313424155222531 - 2³ = 313424155222523 is a prime.

It is a super-2 number, since 2×313424155222531² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313424155222561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156712077611265 + 156712077611266.

It is an arithmetic number, because the mean of its divisors is an integer number (156712077611266).

Almost surely, 2^{313424155222531} is an apocalyptic number.

313424155222531 is a deficient number, since it is larger than the sum of its proper divisors (1).

313424155222531 is an equidigital number, since it uses as much as digits as its factorization.

313424155222531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 43.

The spelling of 313424155222531 in words is "three hundred thirteen trillion, four hundred twenty-four billion, one hundred fifty-five million, two hundred twenty-two thousand, five hundred thirty-one".