313034431 has 4 divisors (see below), whose sum is σ = 313130664. Its totient is φ = 312938200.

The previous prime is 313034369. The next prime is 313034437. The reversal of 313034431 is 134430313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313034431 - 2²¹ = 310937279 is a prime.

It is a super-2 number, since 2×313034431² = 195981109982987522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313034437) 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, 43060 + ... + 49801.

It is an arithmetic number, because the mean of its divisors is an integer number (78282666).

Almost surely, 2^313034431 is an apocalyptic number.

313034431 is a deficient number, since it is larger than the sum of its proper divisors (96233).

313034431 is an equidigital number, since it uses as much as digits as its factorization.

313034431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96232.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 313034431 is about 17692.7790637876. The cubic root of 313034431 is about 678.9910288789.

Adding to 313034431 its reverse (134430313), we get a palindrome (447464744).

The spelling of 313034431 in words is "three hundred thirteen million, thirty-four thousand, four hundred thirty-one".