3125130431 has 6 divisors (see below), whose sum is σ = 3298268232. Its totient is φ = 2960649540.

The previous prime is 3125130419. The next prime is 3125130457. The reversal of 3125130431 is 1340315213.

It is a de Polignac number, because none of the positive numbers 2^k-3125130431 is a prime.

It is a super-2 number, since 2×3125130431² = 19532880421524491522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3125130397 and 3125130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125130401) 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, 4328075 + ... + 4328796.

It is an arithmetic number, because the mean of its divisors is an integer number (549711372).

Almost surely, 2^3125130431 is an apocalyptic number.

3125130431 is a deficient number, since it is larger than the sum of its proper divisors (173137801).

3125130431 is an equidigital number, since it uses as much as digits as its factorization.

3125130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656909 (or 8656890 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3125130431 is about 55902.8660356515. The cubic root of 3125130431 is about 1462.0292092265.

Adding to 3125130431 its reverse (1340315213), we get a palindrome (4465445644).

The spelling of 3125130431 in words is "three billion, one hundred twenty-five million, one hundred thirty thousand, four hundred thirty-one".