2042321231 has 8 divisors (see below), whose sum is σ = 2163181104. Its totient is φ = 1921541760.

The previous prime is 2042321213. The next prime is 2042321251. The reversal of 2042321231 is 1321232402.

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 2042321231 - 2¹⁸ = 2042059087 is a prime.

It is a super-2 number, since 2×2042321231² = 8342152021186710722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042321251) 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, 36836 + ... + 73766.

It is an arithmetic number, because the mean of its divisors is an integer number (270397638).

Almost surely, 2^2042321231 is an apocalyptic number.

2042321231 is a deficient number, since it is larger than the sum of its proper divisors (120859873).

2042321231 is a wasteful number, since it uses less digits than its factorization.

2042321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40201.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2042321231 is about 45192.0483160478. The cubic root of 2042321231 is about 1268.7459940954.

Adding to 2042321231 its reverse (1321232402), we get a palindrome (3363553633).

The spelling of 2042321231 in words is "two billion, forty-two million, three hundred twenty-one thousand, two hundred thirty-one".