2113233131 has 8 divisors (see below), whose sum is σ = 2145884160. Its totient is φ = 2080614888.

The previous prime is 2113233121. The next prime is 2113233139. The reversal of 2113233131 is 1313323112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113233131 is a prime.

It is a super-2 number, since 2×2113233131² = 8931508531912126322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113233139) 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, 142970 + ... + 157056.

It is an arithmetic number, because the mean of its divisors is an integer number (268235520).

Almost surely, 2^2113233131 is an apocalyptic number.

2113233131 is a deficient number, since it is larger than the sum of its proper divisors (32651029).

2113233131 is a wasteful number, since it uses less digits than its factorization.

2113233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393.

The product of its digits is 324, while the sum is 20.

The square root of 2113233131 is about 45969.9154991610. The cubic root of 2113233131 is about 1283.2633873311.

Adding to 2113233131 its reverse (1313323112), we get a palindrome (3426556243).

The spelling of 2113233131 in words is "two billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred thirty-one".