3125243431 has 4 divisors (see below), whose sum is σ = 3125446632. Its totient is φ = 3125040232.

The previous prime is 3125243417. The next prime is 3125243477. The reversal of 3125243431 is 1343425213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3125243431 - 2¹⁷ = 3125112359 is a prime.

It is a super-2 number, since 2×3125243431² = 19534293006017303522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3125243431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125243411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76456 + ... + 109981.

It is an arithmetic number, because the mean of its divisors is an integer number (781361658).

Almost surely, 2^3125243431 is an apocalyptic number.

3125243431 is a deficient number, since it is larger than the sum of its proper divisors (203201).

3125243431 is a wasteful number, since it uses less digits than its factorization.

3125243431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203200.

The product of its digits is 8640, while the sum is 28.

The square root of 3125243431 is about 55903.8767081497. The cubic root of 3125243431 is about 1462.0468306041.

Adding to 3125243431 its reverse (1343425213), we get a palindrome (4468668644).

The spelling of 3125243431 in words is "three billion, one hundred twenty-five million, two hundred forty-three thousand, four hundred thirty-one".