313257477 has 16 divisors (see below), whose sum is σ = 450430848. Its totient is φ = 192505920.

The previous prime is 313257473. The next prime is 313257479. The reversal of 313257477 is 774752313.

It is not a de Polignac number, because 313257477 - 2² = 313257473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313257473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24952 + ... + 35342.

It is an arithmetic number, because the mean of its divisors is an integer number (28151928).

Almost surely, 2^313257477 is an apocalyptic number.

It is an amenable number.

313257477 is a deficient number, since it is larger than the sum of its proper divisors (137173371).

313257477 is a wasteful number, since it uses less digits than its factorization.

313257477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180.

The product of its digits is 123480, while the sum is 39.

The square root of 313257477 is about 17699.0812473416. The cubic root of 313257477 is about 679.1522574450.

The spelling of 313257477 in words is "three hundred thirteen million, two hundred fifty-seven thousand, four hundred seventy-seven".