2113012231 has 24 divisors (see below), whose sum is σ = 2433184992. Its totient is φ = 1830100800.

The previous prime is 2113012189. The next prime is 2113012241. The reversal of 2113012231 is 1322103112.

It is not a de Polignac number, because 2113012231 - 2¹³ = 2113004039 is a prime.

It is a super-2 number, since 2×2113012231² = 8929641376711194722, 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 (2113012241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769521 + ... + 772261.

It is an arithmetic number, because the mean of its divisors is an integer number (101382708).

Almost surely, 2^2113012231 is an apocalyptic number.

2113012231 is a deficient number, since it is larger than the sum of its proper divisors (320172761).

2113012231 is a wasteful number, since it uses less digits than its factorization.

2113012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113012231 is about 45967.5127780479. The cubic root of 2113012231 is about 1283.2186718419.

Adding to 2113012231 its reverse (1322103112), we get a palindrome (3435115343).

The spelling of 2113012231 in words is "two billion, one hundred thirteen million, twelve thousand, two hundred thirty-one".