2101340231 has 4 divisors (see below), whose sum is σ = 2108097264. Its totient is φ = 2094583200.

The previous prime is 2101340221. The next prime is 2101340291. The reversal of 2101340231 is 1320431012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101340231 - 2⁶ = 2101340167 is a prime.

It is a super-2 number, since 2×2101340231² = 8831261532838266722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101340201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378050 + ... + 3378671.

It is an arithmetic number, because the mean of its divisors is an integer number (527024316).

Almost surely, 2^2101340231 is an apocalyptic number.

2101340231 is a deficient number, since it is larger than the sum of its proper divisors (6757033).

2101340231 is an equidigital number, since it uses as much as digits as its factorization.

2101340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757032.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2101340231 is about 45840.3777362273. The cubic root of 2101340231 is about 1280.8515311642.

Adding to 2101340231 its reverse (1320431012), we get a palindrome (3421771243).

The spelling of 2101340231 in words is "two billion, one hundred one million, three hundred forty thousand, two hundred thirty-one".