313344992537 has 4 divisors (see below), whose sum is σ = 313428935460. Its totient is φ = 313261049616.

The previous prime is 313344992533. The next prime is 313344992557. The reversal of 313344992537 is 735299443313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735299443313 = 2081 ⋅353339473.

It can be written as a sum of positive squares in 2 ways, for example, as 266437662976 + 46907329561 = 516176^2 + 216581^2 .

It is a cyclic number.

It is not a de Polignac number, because 313344992537 - 2² = 313344992533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313344992533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41965862 + ... + 41973327.

It is an arithmetic number, because the mean of its divisors is an integer number (78357233865).

Almost surely, 2^313344992537 is an apocalyptic number.

It is an amenable number.

313344992537 is a deficient number, since it is larger than the sum of its proper divisors (83942923).

313344992537 is an equidigital number, since it uses as much as digits as its factorization.

313344992537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83942922.

The product of its digits is 7348320, while the sum is 53.

The spelling of 313344992537 in words is "three hundred thirteen billion, three hundred forty-four million, nine hundred ninety-two thousand, five hundred thirty-seven".