313452730 has 8 divisors (see below), whose sum is σ = 564214932. Its totient is φ = 125381088.

The previous prime is 313452721. The next prime is 313452731. The reversal of 313452730 is 37254313.

It can be written as a sum of positive squares in 2 ways, for example, as 308669761 + 4782969 = 17569^2 + 2187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×313452730² = 196505227888905800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313452731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15672627 + ... + 15672646.

Almost surely, 2^313452730 is an apocalyptic number.

313452730 is a deficient number, since it is larger than the sum of its proper divisors (250762202).

313452730 is a wasteful number, since it uses less digits than its factorization.

313452730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31345280.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 313452730 is about 17704.5962958775. The cubic root of 313452730 is about 679.2933330604.

The spelling of 313452730 in words is "three hundred thirteen million, four hundred fifty-two thousand, seven hundred thirty".