2503115231 has 16 divisors (see below), whose sum is σ = 2748005568. Its totient is φ = 2272723200.

The previous prime is 2503115221. The next prime is 2503115311. The reversal of 2503115231 is 1325113052.

It is a happy number.

2503115231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2503115231 - 2²² = 2498920927 is a prime.

It is a super-2 number, since 2×2503115231² = 12531171719328366722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2503115197 and 2503115206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503115221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980 + ... + 70761.

It is an arithmetic number, because the mean of its divisors is an integer number (171750348).

Almost surely, 2^2503115231 is an apocalyptic number.

2503115231 is a deficient number, since it is larger than the sum of its proper divisors (244890337).

2503115231 is a wasteful number, since it uses less digits than its factorization.

2503115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71842.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2503115231 is about 50031.1426113776. The cubic root of 2503115231 is about 1357.7723101642.

Adding to 2503115231 its reverse (1325113052), we get a palindrome (3828228283).

The spelling of 2503115231 in words is "two billion, five hundred three million, one hundred fifteen thousand, two hundred thirty-one".