2133211031 has 6 divisors (see below), whose sum is σ = 2481490440. Its totient is φ = 1828466556.

The previous prime is 2133211027. The next prime is 2133211039. The reversal of 2133211031 is 1301123312.

It is not a de Polignac number, because 2133211031 - 2² = 2133211027 is a prime.

It is a super-2 number, since 2×2133211031² = 9101178605560165922, 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 (2133211039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21767411 + ... + 21767508.

It is an arithmetic number, because the mean of its divisors is an integer number (413581740).

Almost surely, 2^2133211031 is an apocalyptic number.

2133211031 is a deficient number, since it is larger than the sum of its proper divisors (348279409).

2133211031 is an equidigital number, since it uses as much as digits as its factorization.

2133211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43534933 (or 43534926 counting only the distinct ones).

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

The square root of 2133211031 is about 46186.6975545990. The cubic root of 2133211031 is about 1287.2945786698.

Adding to 2133211031 its reverse (1301123312), we get a palindrome (3434334343).

The spelling of 2133211031 in words is "two billion, one hundred thirty-three million, two hundred eleven thousand, thirty-one".