313431453 has 12 divisors (see below), whose sum is σ = 461277180. Its totient is φ = 205011456.

The previous prime is 313431439. The next prime is 313431463. The reversal of 313431453 is 354134313.

It can be written as a sum of positive squares in 2 ways, for example, as 274830084 + 38601369 = 16578^2 + 6213^2 .

It is not a de Polignac number, because 313431453 - 2⁹ = 313430941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313431463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328068 + ... + 329021.

It is an arithmetic number, because the mean of its divisors is an integer number (38439765).

Almost surely, 2^313431453 is an apocalyptic number.

It is an amenable number.

313431453 is a deficient number, since it is larger than the sum of its proper divisors (147845727).

313431453 is a wasteful number, since it uses less digits than its factorization.

313431453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657148 (or 657145 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 313431453 is about 17703.9953965200. The cubic root of 313431453 is about 679.2779626926.

Adding to 313431453 its reverse (354134313), we get a palindrome (667565766).

The spelling of 313431453 in words is "three hundred thirteen million, four hundred thirty-one thousand, four hundred fifty-three".