313722465 has 64 divisors (see below), whose sum is σ = 585985536. Its totient is φ = 140378112.

The previous prime is 313722457. The next prime is 313722469. The reversal of 313722465 is 564227313.

It is not a de Polignac number, because 313722465 - 2³ = 313722457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313722469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1625409 + ... + 1625601.

It is an arithmetic number, because the mean of its divisors is an integer number (9156024).

Almost surely, 2^313722465 is an apocalyptic number.

313722465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313722465 is a deficient number, since it is larger than the sum of its proper divisors (272263071).

313722465 is a wasteful number, since it uses less digits than its factorization.

313722465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its digits is 30240, while the sum is 33.

The square root of 313722465 is about 17712.2123124132. The cubic root of 313722465 is about 679.4881276146.

Adding to 313722465 its reverse (564227313), we get a palindrome (877949778).

The spelling of 313722465 in words is "three hundred thirteen million, seven hundred twenty-two thousand, four hundred sixty-five".