2312331263 has 16 divisors (see below), whose sum is σ = 2545668000. Its totient is φ = 2082938880.

The previous prime is 2312331247. The next prime is 2312331277. The reversal of 2312331263 is 3621332132.

It is a happy number.

It is not a de Polignac number, because 2312331263 - 2⁴ = 2312331247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312333263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569063 + ... + 573111.

It is an arithmetic number, because the mean of its divisors is an integer number (159104250).

Almost surely, 2^2312331263 is an apocalyptic number.

2312331263 is a deficient number, since it is larger than the sum of its proper divisors (233336737).

2312331263 is a wasteful number, since it uses less digits than its factorization.

2312331263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522.

The product of its digits is 3888, while the sum is 26.

The square root of 2312331263 is about 48086.7056783889. The cubic root of 2312331263 is about 1322.3609535501.

Adding to 2312331263 its reverse (3621332132), we get a palindrome (5933663395).

The spelling of 2312331263 in words is "two billion, three hundred twelve million, three hundred thirty-one thousand, two hundred sixty-three".