2315351431 has 4 divisors (see below), whose sum is σ = 2451548592. Its totient is φ = 2179154272.

The previous prime is 2315351429. The next prime is 2315351449. The reversal of 2315351431 is 1341535132.

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 2315351431 - 2¹ = 2315351429 is a prime.

It is a super-2 number, since 2×2315351431² = 10721704498067495522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2315351431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315351131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68098555 + ... + 68098588.

It is an arithmetic number, because the mean of its divisors is an integer number (612887148).

Almost surely, 2^2315351431 is an apocalyptic number.

2315351431 is a deficient number, since it is larger than the sum of its proper divisors (136197161).

2315351431 is a wasteful number, since it uses less digits than its factorization.

2315351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136197160.

The product of its digits is 5400, while the sum is 28.

The square root of 2315351431 is about 48118.0987882938. The cubic root of 2315351431 is about 1322.9364210874.

Adding to 2315351431 its reverse (1341535132), we get a palindrome (3656886563).

The spelling of 2315351431 in words is "two billion, three hundred fifteen million, three hundred fifty-one thousand, four hundred thirty-one".