431125003 has 4 divisors (see below), whose sum is σ = 438192688. Its totient is φ = 424057320.

The previous prime is 431124961. The next prime is 431125021. The reversal of 431125003 is 300521134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431125003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431125033) 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, 3533751 + ... + 3533872.

It is an arithmetic number, because the mean of its divisors is an integer number (109548172).

Almost surely, 2^431125003 is an apocalyptic number.

431125003 is a deficient number, since it is larger than the sum of its proper divisors (7067685).

431125003 is an equidigital number, since it uses as much as digits as its factorization.

431125003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067684.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 431125003 is about 20763.5498650881. The cubic root of 431125003 is about 755.4419020279.

Adding to 431125003 its reverse (300521134), we get a palindrome (731646137).

The spelling of 431125003 in words is "four hundred thirty-one million, one hundred twenty-five thousand, three".