2331402313 has 4 divisors (see below), whose sum is σ = 2331533700. Its totient is φ = 2331270928.

The previous prime is 2331402289. The next prime is 2331402323. The reversal of 2331402313 is 3132041332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1357775104 + 973627209 = 36848^2 + 31203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2331402313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331402323) 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, 33970 + ... + 76267.

It is an arithmetic number, because the mean of its divisors is an integer number (582883425).

Almost surely, 2^2331402313 is an apocalyptic number.

It is an amenable number.

2331402313 is a deficient number, since it is larger than the sum of its proper divisors (131387).

2331402313 is a wasteful number, since it uses less digits than its factorization.

2331402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131386.

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

The square root of 2331402313 is about 48284.5970574468. The cubic root of 2331402313 is about 1325.9864140150.

Adding to 2331402313 its reverse (3132041332), we get a palindrome (5463443645).

The spelling of 2331402313 in words is "two billion, three hundred thirty-one million, four hundred two thousand, three hundred thirteen".