310313431 has 2 divisors, whose sum is σ = 310313432. Its totient is φ = 310313430.

The previous prime is 310313389. The next prime is 310313477. The reversal of 310313431 is 134313013.

It is a weak prime.

It is an emirp because it is prime and its reverse (134313013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310313431 - 2¹⁹ = 309789143 is a prime.

It is a super-2 number, since 2×310313431² = 192588850917983522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310313399 and 310313408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310310431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155156715 + 155156716.

It is an arithmetic number, because the mean of its divisors is an integer number (155156716).

Almost surely, 2^310313431 is an apocalyptic number.

310313431 is a deficient number, since it is larger than the sum of its proper divisors (1).

310313431 is an equidigital number, since it uses as much as digits as its factorization.

310313431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 310313431 is about 17615.7154552405. The cubic root of 310313431 is about 677.0179618751.

Adding to 310313431 its reverse (134313013), we get a palindrome (444626444).

The spelling of 310313431 in words is "three hundred ten million, three hundred thirteen thousand, four hundred thirty-one".