2031132121 has 12 divisors (see below), whose sum is σ = 2101807632. Its totient is φ = 1962765000.

The previous prime is 2031132109. The next prime is 2031132127. The reversal of 2031132121 is 1212311302.

It is not a de Polignac number, because 2031132121 - 2²⁵ = 1997577689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031132095 and 2031132104.

It is not an unprimeable number, because it can be changed into a prime (2031132127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009006 + ... + 1011016.

It is an arithmetic number, because the mean of its divisors is an integer number (175150636).

Almost surely, 2^2031132121 is an apocalyptic number.

It is an amenable number.

2031132121 is a deficient number, since it is larger than the sum of its proper divisors (70675511).

2031132121 is a wasteful number, since it uses less digits than its factorization.

2031132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2031132121 is about 45068.0831742376. The cubic root of 2031132121 is about 1266.4247557952.

Adding to 2031132121 its reverse (1212311302), we get a palindrome (3243443423).

The spelling of 2031132121 in words is "two billion, thirty-one million, one hundred thirty-two thousand, one hundred twenty-one".