52403031 has 20 divisors (see below), whose sum is σ = 78494152. Its totient is φ = 34840368.

The previous prime is 52403023. The next prime is 52403053. The reversal of 52403031 is 13030425.

It is not a de Polignac number, because 52403031 - 2³ = 52403023 is a prime.

It is a super-2 number, since 2×52403031² = 5492155315973922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52402995 and 52403013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52403011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41745 + ... + 42981.

Almost surely, 2^52403031 is an apocalyptic number.

52403031 is a deficient number, since it is larger than the sum of its proper divisors (26091121).

52403031 is a wasteful number, since it uses less digits than its factorization.

52403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52403031 is about 7238.9937836691. The cubic root of 52403031 is about 374.2129412584.

Adding to 52403031 its reverse (13030425), we get a palindrome (65433456).

The spelling of 52403031 in words is "fifty-two million, four hundred three thousand, thirty-one".