313563501 has 8 divisors (see below), whose sum is σ = 464538560. Its totient is φ = 209042316.

The previous prime is 313563491. The next prime is 313563511. The reversal of 313563501 is 105365313.

It is an interprime number because it is at equal distance from previous prime (313563491) and next prime (313563511).

It is not a de Polignac number, because 313563501 - 2¹⁰ = 313562477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11613463 = 313563501 / (3 + 1 + 3 + 5 + 6 + 3 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313563511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806705 + ... + 5806758.

It is an arithmetic number, because the mean of its divisors is an integer number (58067320).

Almost surely, 2^313563501 is an apocalyptic number.

It is an amenable number.

313563501 is a deficient number, since it is larger than the sum of its proper divisors (150975059).

313563501 is a wasteful number, since it uses less digits than its factorization.

313563501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613472 (or 11613466 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 313563501 is about 17707.7243314888. The cubic root of 313563501 is about 679.3733420832.

The spelling of 313563501 in words is "three hundred thirteen million, five hundred sixty-three thousand, five hundred one".