2042203531 has 4 divisors (see below), whose sum is σ = 2042442864. Its totient is φ = 2041964200.

The previous prime is 2042203529. The next prime is 2042203549. The reversal of 2042203531 is 1353022402.

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 2042203531 - 2¹ = 2042203529 is a prime.

It is a super-2 number, since 2×2042203531² = 8341190524057735922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042203231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106375 + ... + 124096.

It is an arithmetic number, because the mean of its divisors is an integer number (510610716).

Almost surely, 2^2042203531 is an apocalyptic number.

2042203531 is a deficient number, since it is larger than the sum of its proper divisors (239333).

2042203531 is an equidigital number, since it uses as much as digits as its factorization.

2042203531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239332.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2042203531 is about 45190.7460770455. The cubic root of 2042203531 is about 1268.7216208039.

Adding to 2042203531 its reverse (1353022402), we get a palindrome (3395225933).

The spelling of 2042203531 in words is "two billion, forty-two million, two hundred three thousand, five hundred thirty-one".