2312616251 has 6 divisors (see below), whose sum is σ = 2541966756. Its totient is φ = 2102378300.

The previous prime is 2312616211. The next prime is 2312616277. The reversal of 2312616251 is 1526162132.

It is not a de Polignac number, because 2312616251 - 2²⁶ = 2245507387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312616211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9556145 + ... + 9556386.

It is an arithmetic number, because the mean of its divisors is an integer number (423661126).

Almost surely, 2^2312616251 is an apocalyptic number.

2312616251 is a deficient number, since it is larger than the sum of its proper divisors (229350505).

2312616251 is a wasteful number, since it uses less digits than its factorization.

2312616251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19112553 (or 19112542 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 2312616251 is about 48089.6688593299. The cubic root of 2312616251 is about 1322.4152770127.

Adding to 2312616251 its reverse (1526162132), we get a palindrome (3838778383).

The spelling of 2312616251 in words is "two billion, three hundred twelve million, six hundred sixteen thousand, two hundred fifty-one".