2113101431 has 6 divisors (see below), whose sum is σ = 2458097640. Its totient is φ = 1811229756.

The previous prime is 2113101421. The next prime is 2113101493. The reversal of 2113101431 is 1341013112.

It is not a de Polignac number, because 2113101431 - 2¹⁴ = 2113085047 is a prime.

It is a super-2 number, since 2×2113101431² = 8930395315388495522, 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 (2113101421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21562211 + ... + 21562308.

It is an arithmetic number, because the mean of its divisors is an integer number (409682940).

Almost surely, 2^2113101431 is an apocalyptic number.

2113101431 is a deficient number, since it is larger than the sum of its proper divisors (344996209).

2113101431 is an equidigital number, since it uses as much as digits as its factorization.

2113101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43124533 (or 43124526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2113101431 is about 45968.4830182594. The cubic root of 2113101431 is about 1283.2367284489.

Adding to 2113101431 its reverse (1341013112), we get a palindrome (3454114543).

The spelling of 2113101431 in words is "two billion, one hundred thirteen million, one hundred one thousand, four hundred thirty-one".