313540452 has 36 divisors (see below), whose sum is σ = 839183436. Its totient is φ = 98365440.

The previous prime is 313540441. The next prime is 313540463. The reversal of 313540452 is 254045313.

It is an interprime number because it is at equal distance from previous prime (313540441) and next prime (313540463).

It can be written as a sum of positive squares in 2 ways, for example, as 106007616 + 207532836 = 10296^2 + 14406^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255549 + ... + 256772.

It is an arithmetic number, because the mean of its divisors is an integer number (23310651).

Almost surely, 2^313540452 is an apocalyptic number.

It is an amenable number.

313540452 is an abundant number, since it is smaller than the sum of its proper divisors (525642984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313540452 is a wasteful number, since it uses less digits than its factorization.

313540452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512348 (or 512343 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 313540452 is about 17707.0735018523. The cubic root of 313540452 is about 679.3566955243.

Adding to 313540452 its reverse (254045313), we get a palindrome (567585765).

The spelling of 313540452 in words is "three hundred thirteen million, five hundred forty thousand, four hundred fifty-two".