25312322131 has 8 divisors (see below), whose sum is σ = 25744420800. Its totient is φ = 24880326120.

The previous prime is 25312322083. The next prime is 25312322141. The reversal of 25312322131 is 13122321352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25312322131 - 2¹⁵ = 25312289363 is a prime.

It is a super-2 number, since 2×25312322131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25312322096 and 25312322105.

It is not an unprimeable number, because it can be changed into a prime (25312322141) 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 7 ways as a sum of consecutive naturals, for example, 600960 + ... + 641698.

It is an arithmetic number, because the mean of its divisors is an integer number (3218052600).

Almost surely, 2^25312322131 is an apocalyptic number.

25312322131 is a deficient number, since it is larger than the sum of its proper divisors (432098669).

25312322131 is a wasteful number, since it uses less digits than its factorization.

25312322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51329.

The product of its digits is 2160, while the sum is 25.

Adding to 25312322131 its reverse (13122321352), we get a palindrome (38434643483).

The spelling of 25312322131 in words is "twenty-five billion, three hundred twelve million, three hundred twenty-two thousand, one hundred thirty-one".