2103223031 has 24 divisors (see below), whose sum is σ = 2773496880. Its totient is φ = 1576495872.

The previous prime is 2103223021. The next prime is 2103223033. The reversal of 2103223031 is 1303223012.

It is not a de Polignac number, because 2103223031 - 2¹⁰ = 2103222007 is a prime.

It is a super-2 number, since 2×2103223031² = 8847094236257653922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103223033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74786 + ... + 98991.

It is an arithmetic number, because the mean of its divisors is an integer number (115562370).

Almost surely, 2^2103223031 is an apocalyptic number.

2103223031 is a deficient number, since it is larger than the sum of its proper divisors (670273849).

2103223031 is a wasteful number, since it uses less digits than its factorization.

2103223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173823 (or 173816 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2103223031 is about 45860.9096181050. The cubic root of 2103223031 is about 1281.2339644521.

Adding to 2103223031 its reverse (1303223012), we get a palindrome (3406446043).

The spelling of 2103223031 in words is "two billion, one hundred three million, two hundred twenty-three thousand, thirty-one".