2133131 has 16 divisors (see below), whose sum is σ = 2865408. Its totient is φ = 1533600.

The previous prime is 2133121. The next prime is 2133137. The reversal of 2133131 is 1313312.

It is a cyclic number.

It is not a de Polignac number, because 2133131 - 2¹⁰ = 2132107 is a prime.

It is a super-2 number, since 2×2133131² = 9100495726322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2133137) 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, 65 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (179088).

2^2133131 is an apocalyptic number.

2133131 is a deficient number, since it is larger than the sum of its proper divisors (732277).

2133131 is a wasteful number, since it uses less digits than its factorization.

2133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its digits is 54, while the sum is 14.

The square root of 2133131 is about 1460.5242209563. The cubic root of 2133131 is about 128.7278480128.

Adding to 2133131 its sum of digits (14), we get a triangular number (2133145 = T₂₀₆₅).

Adding to 2133131 its reverse (1313312), we get a palindrome (3446443).

The spelling of 2133131 in words is "two million, one hundred thirty-three thousand, one hundred thirty-one".