2113001031 has 8 divisors (see below), whose sum is σ = 2818238080. Its totient is φ = 1408215672.

The previous prime is 2113001027. The next prime is 2113001047. The reversal of 2113001031 is 1301003112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113001031 - 2² = 2113001027 is a prime.

It is a super-2 number, since 2×2113001031² = 8929546714014125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113000998 and 2113001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113001531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101851 + ... + 120828.

It is an arithmetic number, because the mean of its divisors is an integer number (352279760).

Almost surely, 2^2113001031 is an apocalyptic number.

2113001031 is a deficient number, since it is larger than the sum of its proper divisors (705237049).

2113001031 is a wasteful number, since it uses less digits than its factorization.

2113001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225845.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2113001031 is about 45967.3909527178. The cubic root of 2113001031 is about 1283.2164046086.

Adding to 2113001031 its reverse (1301003112), we get a palindrome (3414004143).

The spelling of 2113001031 in words is "two billion, one hundred thirteen million, one thousand, thirty-one".