313554057631 has 4 divisors (see below), whose sum is σ = 313555830064. Its totient is φ = 313552285200.

The previous prime is 313554057617. The next prime is 313554057683. The reversal of 313554057631 is 136750455313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136750455313 = 4789 ⋅28555117.

It is a cyclic number.

It is not a de Polignac number, because 313554057631 - 2⁷ = 313554057503 is a prime.

It is a super-2 number, since 2×313554057631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313554057731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587235 + ... + 985876.

It is an arithmetic number, because the mean of its divisors is an integer number (78388957516).

Almost surely, 2^313554057631 is an apocalyptic number.

313554057631 is a deficient number, since it is larger than the sum of its proper divisors (1772433).

313554057631 is a wasteful number, since it uses less digits than its factorization.

313554057631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772432.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 313554057631 in words is "three hundred thirteen billion, five hundred fifty-four million, fifty-seven thousand, six hundred thirty-one".