203000042331 has 48 divisors (see below), whose sum is σ = 317050905600. Its totient is φ = 124837929216.

The previous prime is 203000042321. The next prime is 203000042407. The reversal of 203000042331 is 133240000302.

It is not a de Polignac number, because 203000042331 - 2¹¹ = 203000040283 is a prime.

It is a super-2 number, since 2×203000042331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203000042321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558835 + ... + 847523.

It is an arithmetic number, because the mean of its divisors is an integer number (6605227200).

Almost surely, 2^203000042331 is an apocalyptic number.

203000042331 is a deficient number, since it is larger than the sum of its proper divisors (114050863269).

203000042331 is a wasteful number, since it uses less digits than its factorization.

203000042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288840 (or 288837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203000042331 its reverse (133240000302), we get a palindrome (336240042633).

The spelling of 203000042331 in words is "two hundred three billion, forty-two thousand, three hundred thirty-one".