310113431 has 4 divisors (see below), whose sum is σ = 310296600. Its totient is φ = 309930264.

The previous prime is 310113413. The next prime is 310113437. The reversal of 310113431 is 134311013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134311013 = 337 ⋅398549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310113431 is a prime.

It is a super-2 number, since 2×310113431² = 192340680173183522, 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 (310113437) 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, 89021 + ... + 92438.

It is an arithmetic number, because the mean of its divisors is an integer number (77574150).

Almost surely, 2^310113431 is an apocalyptic number.

310113431 is a deficient number, since it is larger than the sum of its proper divisors (183169).

310113431 is a wasteful number, since it uses less digits than its factorization.

310113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183168.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 310113431 is about 17610.0377909873. The cubic root of 310113431 is about 676.8724824137.

Adding to 310113431 its reverse (134311013), we get a palindrome (444424444).

The spelling of 310113431 in words is "three hundred ten million, one hundred thirteen thousand, four hundred thirty-one".