2031232021 has 8 divisors (see below), whose sum is σ = 2499977984. Its totient is φ = 1607128560.

The previous prime is 2031232019. The next prime is 2031232067. The reversal of 2031232021 is 1202321302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031232021 - 2¹ = 2031232019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031231986 and 2031232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031230021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11160525 + ... + 11160706.

It is an arithmetic number, because the mean of its divisors is an integer number (312497248).

Almost surely, 2^2031232021 is an apocalyptic number.

It is an amenable number.

2031232021 is a deficient number, since it is larger than the sum of its proper divisors (468745963).

2031232021 is a wasteful number, since it uses less digits than its factorization.

2031232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22321251.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031232021 is about 45069.1914837619. The cubic root of 2031232021 is about 1266.4455182323.

Adding to 2031232021 its reverse (1202321302), we get a palindrome (3233553323).

The spelling of 2031232021 in words is "two billion, thirty-one million, two hundred thirty-two thousand, twenty-one".