203131053 has 12 divisors (see below), whose sum is σ = 294353020. Its totient is φ = 134986176.

The previous prime is 203131043. The next prime is 203131063. The reversal of 203131053 is 350131302.

It is an interprime number because it is at equal distance from previous prime (203131043) and next prime (203131063).

It can be written as a sum of positive squares in 2 ways, for example, as 43917129 + 159213924 = 6627^2 + 12618^2 .

It is not a de Polignac number, because 203131053 - 2¹⁰ = 203130029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33238 + ... + 38871.

Almost surely, 2^203131053 is an apocalyptic number.

It is an amenable number.

203131053 is a deficient number, since it is larger than the sum of its proper divisors (91221967).

203131053 is a wasteful number, since it uses less digits than its factorization.

203131053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72428 (or 72425 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 203131053 is about 14252.4051654449. The cubic root of 203131053 is about 587.8395108994.

Adding to 203131053 its reverse (350131302), we get a palindrome (553262355).

The spelling of 203131053 in words is "two hundred three million, one hundred thirty-one thousand, fifty-three".