2132331031 has 4 divisors (see below), whose sum is σ = 2244559000. Its totient is φ = 2020103064.

The previous prime is 2132331023. The next prime is 2132331037. The reversal of 2132331031 is 1301332312.

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 2132331031 - 2³ = 2132331023 is a prime.

It is a super-2 number, since 2×2132331031² = 9093671251531045922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 112227949 = 2132331031 / (2 + 1 + 3 + 2 + 3 + 3 + 1 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132331037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56113956 + ... + 56113993.

It is an arithmetic number, because the mean of its divisors is an integer number (561139750).

Almost surely, 2^2132331031 is an apocalyptic number.

2132331031 is a deficient number, since it is larger than the sum of its proper divisors (112227969).

2132331031 is a wasteful number, since it uses less digits than its factorization.

2132331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112227968.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2132331031 is about 46177.1700193938. The cubic root of 2132331031 is about 1287.1175411709.

Adding to 2132331031 its reverse (1301332312), we get a palindrome (3433663343).

The spelling of 2132331031 in words is "two billion, one hundred thirty-two million, three hundred thirty-one thousand, thirty-one".