2312415251 has 4 divisors (see below), whose sum is σ = 2312756952. Its totient is φ = 2312073552.

The previous prime is 2312415187. The next prime is 2312415263. The reversal of 2312415251 is 1525142132.

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 2312415251 - 2⁶ = 2312415187 is a prime.

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 2312415251.

It is not an unprimeable number, because it can be changed into a prime (2312415151) 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, 160490 + ... + 174303.

It is an arithmetic number, because the mean of its divisors is an integer number (578189238).

Almost surely, 2^2312415251 is an apocalyptic number.

2312415251 is a deficient number, since it is larger than the sum of its proper divisors (341701).

2312415251 is an equidigital number, since it uses as much as digits as its factorization.

2312415251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341700.

The product of its digits is 2400, while the sum is 26.

The square root of 2312415251 is about 48087.5789679622. The cubic root of 2312415251 is about 1322.3769635266.

Adding to 2312415251 its reverse (1525142132), we get a palindrome (3837557383).

The spelling of 2312415251 in words is "two billion, three hundred twelve million, four hundred fifteen thousand, two hundred fifty-one".