2403430231 has 4 divisors (see below), whose sum is σ = 2439302392. Its totient is φ = 2367558072.

The previous prime is 2403430223. The next prime is 2403430243. The reversal of 2403430231 is 1320343042.

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 2403430231 - 2³ = 2403430223 is a prime.

It is a super-2 number, since 2×2403430231² = 11552953750569426722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403430331) 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, 17935980 + ... + 17936113.

It is an arithmetic number, because the mean of its divisors is an integer number (609825598).

Almost surely, 2^2403430231 is an apocalyptic number.

2403430231 is a deficient number, since it is larger than the sum of its proper divisors (35872161).

2403430231 is an equidigital number, since it uses as much as digits as its factorization.

2403430231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35872160.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2403430231 is about 49024.7920036383. The cubic root of 2403430231 is about 1339.5034603076.

Adding to 2403430231 its reverse (1320343042), we get a palindrome (3723773273).

The spelling of 2403430231 in words is "two billion, four hundred three million, four hundred thirty thousand, two hundred thirty-one".