2525311431 has 8 divisors (see below), whose sum is σ = 3741202160. Its totient is φ = 1683540936.

The previous prime is 2525311423. The next prime is 2525311441. The reversal of 2525311431 is 1341135252.

It is not a de Polignac number, because 2525311431 - 2³ = 2525311423 is a prime.

It is a super-2 number, since 2×2525311431² = 12754395647078535522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 93530053 = 2525311431 / (2 + 5 + 2 + 5 + 3 + 1 + 1 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525311395 and 2525311404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525311441) 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, 46765000 + ... + 46765053.

It is an arithmetic number, because the mean of its divisors is an integer number (467650270).

Almost surely, 2^2525311431 is an apocalyptic number.

2525311431 is a deficient number, since it is larger than the sum of its proper divisors (1215890729).

2525311431 is an equidigital number, since it uses as much as digits as its factorization.

2525311431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93530062 (or 93530056 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2525311431 is about 50252.4768643298. The cubic root of 2525311431 is about 1361.7738227930.

Adding to 2525311431 its reverse (1341135252), we get a palindrome (3866446683).

The spelling of 2525311431 in words is "two billion, five hundred twenty-five million, three hundred eleven thousand, four hundred thirty-one".