3125131251 has 24 divisors (see below), whose sum is σ = 4585422912. Its totient is φ = 1891810800.

The previous prime is 3125131237. The next prime is 3125131283. The reversal of 3125131251 is 1521315213.

It is not a de Polignac number, because 3125131251 - 2⁷ = 3125131123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125131211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339216 + ... + 348306.

It is an arithmetic number, because the mean of its divisors is an integer number (191059288).

Almost surely, 2^3125131251 is an apocalyptic number.

3125131251 is a deficient number, since it is larger than the sum of its proper divisors (1460291661).

3125131251 is a wasteful number, since it uses less digits than its factorization.

3125131251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063 (or 10052 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 3125131251 is about 55902.8733698009. The cubic root of 3125131251 is about 1462.0293371000.

Adding to 3125131251 its reverse (1521315213), we get a palindrome (4646446464).

The spelling of 3125131251 in words is "three billion, one hundred twenty-five million, one hundred thirty-one thousand, two hundred fifty-one".