2531112403 has 2 divisors, whose sum is σ = 2531112404. Its totient is φ = 2531112402.

The previous prime is 2531112383. The next prime is 2531112427. The reversal of 2531112403 is 3042111352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531112403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531112433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265556201 + 1265556202.

It is an arithmetic number, because the mean of its divisors is an integer number (1265556202).

Almost surely, 2^2531112403 is an apocalyptic number.

2531112403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531112403 is an equidigital number, since it uses as much as digits as its factorization.

2531112403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2531112403 is about 50310.1620251814. The cubic root of 2531112403 is about 1362.8157498218.

Adding to 2531112403 its reverse (3042111352), we get a palindrome (5573223755).

The spelling of 2531112403 in words is "two billion, five hundred thirty-one million, one hundred twelve thousand, four hundred three".