2315551324 has 24 divisors (see below), whose sum is σ = 4187993600. Its totient is φ = 1119072240.

The previous prime is 2315551321. The next prime is 2315551349. The reversal of 2315551324 is 4231555132.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315551321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95647 + ... + 117385.

Almost surely, 2^2315551324 is an apocalyptic number.

It is an amenable number.

2315551324 is a deficient number, since it is larger than the sum of its proper divisors (1872442276).

2315551324 is a wasteful number, since it uses less digits than its factorization.

2315551324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22633 (or 22631 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 2315551324 is about 48120.1758517153. The cubic root of 2315551324 is about 1322.9744913513.

It can be divided in two parts, 231 and 5551324, that added together give a palindrome (5551555).

The spelling of 2315551324 in words is "two billion, three hundred fifteen million, five hundred fifty-one thousand, three hundred twenty-four".