2431312403 has 8 divisors (see below), whose sum is σ = 2619246000. Its totient is φ = 2243508768.

The previous prime is 2431312393. The next prime is 2431312483. The reversal of 2431312403 is 3042131342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2431312403 - 2¹² = 2431308307 is a prime.

It is a super-2 number, since 2×2431312403² = 11822560001963268818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431312483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8273 + ... + 70221.

It is an arithmetic number, because the mean of its divisors is an integer number (327405750).

Almost surely, 2^2431312403 is an apocalyptic number.

2431312403 is a deficient number, since it is larger than the sum of its proper divisors (187933597).

2431312403 is a wasteful number, since it uses less digits than its factorization.

2431312403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64981.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2431312403 is about 49308.3400957688. The cubic root of 2431312403 is about 1344.6634137010.

Adding to 2431312403 its reverse (3042131342), we get a palindrome (5473443745).

The spelling of 2431312403 in words is "two billion, four hundred thirty-one million, three hundred twelve thousand, four hundred three".