2133012131 has 4 divisors (see below), whose sum is σ = 2136309552. Its totient is φ = 2129714712.

The previous prime is 2133012127. The next prime is 2133012137. The reversal of 2133012131 is 1312103312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133012131 - 2² = 2133012127 is a prime.

It is a super-2 number, since 2×2133012131² = 9099481501986322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133012137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647740 + ... + 1649033.

It is an arithmetic number, because the mean of its divisors is an integer number (534077388).

Almost surely, 2^2133012131 is an apocalyptic number.

2133012131 is a deficient number, since it is larger than the sum of its proper divisors (3297421).

2133012131 is an equidigital number, since it uses as much as digits as its factorization.

2133012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297420.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2133012131 is about 46184.5442870231. The cubic root of 2133012131 is about 1287.2545684307.

Adding to 2133012131 its reverse (1312103312), we get a palindrome (3445115443).

The spelling of 2133012131 in words is "two billion, one hundred thirty-three million, twelve thousand, one hundred thirty-one".