2101013231 has 4 divisors (see below), whose sum is σ = 2116349232. Its totient is φ = 2085677232.

The previous prime is 2101013207. The next prime is 2101013263. The reversal of 2101013231 is 1323101012.

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 2101013231 - 2³⁰ = 1027271407 is a prime.

It is a super-2 number, since 2×2101013231² = 8828513193674118722, 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 (2101010231) 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, 7667795 + ... + 7668068.

It is an arithmetic number, because the mean of its divisors is an integer number (529087308).

Almost surely, 2^2101013231 is an apocalyptic number.

2101013231 is a deficient number, since it is larger than the sum of its proper divisors (15336001).

2101013231 is a wasteful number, since it uses less digits than its factorization.

2101013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336000.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2101013231 is about 45836.8108729218. The cubic root of 2101013231 is about 1280.7850878260.

Adding to 2101013231 its reverse (1323101012), we get a palindrome (3424114243).

The spelling of 2101013231 in words is "two billion, one hundred one million, thirteen thousand, two hundred thirty-one".