2103331131 has 40 divisors (see below), whose sum is σ = 3438033984. Its totient is φ = 1270885680.

The previous prime is 2103331127. The next prime is 2103331133. The reversal of 2103331131 is 1311333012.

It is a happy number.

It is not a de Polignac number, because 2103331131 - 2² = 2103331127 is a prime.

It is a super-2 number, since 2×2103331131² = 8848003693267478322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103331133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 305776 + ... + 312578.

Almost surely, 2^2103331131 is an apocalyptic number.

2103331131 is a deficient number, since it is larger than the sum of its proper divisors (1334702853).

2103331131 is a wasteful number, since it uses less digits than its factorization.

2103331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173 (or 7164 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2103331131 is about 45862.0881665892. The cubic root of 2103331131 is about 1281.2559147345.

Adding to 2103331131 its reverse (1311333012), we get a palindrome (3414664143).

The spelling of 2103331131 in words is "two billion, one hundred three million, three hundred thirty-one thousand, one hundred thirty-one".