2112013131 has 16 divisors (see below), whose sum is σ = 2915408160. Its totient is φ = 1358389760.

The previous prime is 2112013117. The next prime is 2112013133. The reversal of 2112013131 is 1313102112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2112013131 - 2⁶ = 2112013067 is a prime.

It is a super-2 number, since 2×2112013131² = 8921198931032846322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112013131.

It is not an unprimeable number, because it can be changed into a prime (2112013133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110611 + ... + 128291.

It is an arithmetic number, because the mean of its divisors is an integer number (182213010).

Almost surely, 2^2112013131 is an apocalyptic number.

2112013131 is a deficient number, since it is larger than the sum of its proper divisors (803395029).

2112013131 is a wasteful number, since it uses less digits than its factorization.

2112013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19086.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2112013131 is about 45956.6440354384. The cubic root of 2112013131 is about 1283.0163909659.

Adding to 2112013131 its reverse (1313102112), we get a palindrome (3425115243).

The spelling of 2112013131 in words is "two billion, one hundred twelve million, thirteen thousand, one hundred thirty-one".