2103323031 has 20 divisors (see below), whose sum is σ = 3166001784. Its totient is φ = 1391504400.

The previous prime is 2103322973. The next prime is 2103323059. The reversal of 2103323031 is 1303233012.

It is not a de Polignac number, because 2103323031 - 2⁹ = 2103322519 is a prime.

It is a super-2 number, since 2×2103323031² = 8847935545470053922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103322995 and 2103323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103322031) 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 19 ways as a sum of consecutive naturals, for example, 88500 + ... + 109721.

Almost surely, 2^2103323031 is an apocalyptic number.

2103323031 is a deficient number, since it is larger than the sum of its proper divisors (1062678753).

2103323031 is a wasteful number, since it uses less digits than its factorization.

2103323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198364 (or 198355 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2103323031 is about 45861.9998582705. Note that the first 3 decimals coincide. The cubic root of 2103323031 is about 1281.2542700123.

Adding to 2103323031 its reverse (1303233012), we get a palindrome (3406556043).

The spelling of 2103323031 in words is "two billion, one hundred three million, three hundred twenty-three thousand, thirty-one".