2102310231 has 16 divisors (see below), whose sum is σ = 3211143168. Its totient is φ = 1198461600.

The previous prime is 2102310187. The next prime is 2102310241. The reversal of 2102310231 is 1320132012.

It is not a de Polignac number, because 2102310231 - 2¹³ = 2102302039 is a prime.

It is a super-2 number, since 2×2102310231² = 8839416614734546722, which contains 22 as substring.

2102310231 is a modest number, since divided by 2310231 gives 21 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2102310231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102310241) 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, 110055 + ... + 127736.

It is an arithmetic number, because the mean of its divisors is an integer number (200696448).

Almost surely, 2^2102310231 is an apocalyptic number.

2102310231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2102310231 is a deficient number, since it is larger than the sum of its proper divisors (1108832937).

2102310231 is a wasteful number, since it uses less digits than its factorization.

2102310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238222.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102310231 is about 45850.9567075759. The cubic root of 2102310231 is about 1281.0485855399.

Adding to 2102310231 its reverse (1320132012), we get a palindrome (3422442243).

The spelling of 2102310231 in words is "two billion, one hundred two million, three hundred ten thousand, two hundred thirty-one".