2531431103 has 8 divisors (see below), whose sum is σ = 2604240288. Its totient is φ = 2459549664.

The previous prime is 2531431099. The next prime is 2531431117. The reversal of 2531431103 is 3011341352.

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 2531431103 - 2² = 2531431099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531431303) 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, 226400 + ... + 237317.

It is an arithmetic number, because the mean of its divisors is an integer number (325530036).

Almost surely, 2^2531431103 is an apocalyptic number.

2531431103 is a deficient number, since it is larger than the sum of its proper divisors (72809185).

2531431103 is a wasteful number, since it uses less digits than its factorization.

2531431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463873.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2531431103 is about 50313.3292776378. The cubic root of 2531431103 is about 1362.8729461691.

Adding to 2531431103 its reverse (3011341352), we get a palindrome (5542772455).

The spelling of 2531431103 in words is "two billion, five hundred thirty-one million, four hundred thirty-one thousand, one hundred three".