3125431524 has 48 divisors (see below), whose sum is σ = 7711047680. Its totient is φ = 982536480.

The previous prime is 3125431523. The next prime is 3125431549. The reversal of 3125431524 is 4251345213.

It is a super-2 number, since 2×3125431524² = 19536644422425925152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3125431491 and 3125431500.

It is not an unprimeable number, because it can be changed into a prime (3125431523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20109 + ... + 81579.

Almost surely, 2^3125431524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125431524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3855523840).

3125431524 is an abundant number, since it is smaller than the sum of its proper divisors (4585616156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125431524 is a wasteful number, since it uses less digits than its factorization.

3125431524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61720 (or 61718 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 3125431524 is about 55905.5589722525. The cubic root of 3125431524 is about 1462.0761611468.

Adding to 3125431524 its reverse (4251345213), we get a palindrome (7376776737).

The spelling of 3125431524 in words is "three billion, one hundred twenty-five million, four hundred thirty-one thousand, five hundred twenty-four".