2133212031 has 10 divisors (see below), whose sum is σ = 3186650192. Its totient is φ = 1422141300.

The previous prime is 2133212017. The next prime is 2133212041. The reversal of 2133212031 is 1302123312.

It is not a de Polignac number, because 2133212031 - 2⁷ = 2133211903 is a prime.

It is a super-2 number, since 2×2133212031² = 9101187138406289922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133211995 and 2133212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133212041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13167895 + ... + 13168056.

Almost surely, 2^2133212031 is an apocalyptic number.

2133212031 is a deficient number, since it is larger than the sum of its proper divisors (1053438161).

2133212031 is an equidigital number, since it uses as much as digits as its factorization.

2133212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26335963 (or 26335954 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2133212031 is about 46186.7083802256. The cubic root of 2133212031 is about 1287.2947798211.

Adding to 2133212031 its reverse (1302123312), we get a palindrome (3435335343).

The spelling of 2133212031 in words is "two billion, one hundred thirty-three million, two hundred twelve thousand, thirty-one".