530031403 has 12 divisors (see below), whose sum is σ = 581809608. Its totient is φ = 478863360.

The previous prime is 530031349. The next prime is 530031407. The reversal of 530031403 is 304130035.

It is not a de Polignac number, because 530031403 - 2¹³ = 530023211 is a prime.

It is a super-2 number, since 2×530031403² = 561866576332296818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530031407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223875 + ... + 1224307.

It is an arithmetic number, because the mean of its divisors is an integer number (48484134).

Almost surely, 2^530031403 is an apocalyptic number.

530031403 is a deficient number, since it is larger than the sum of its proper divisors (51778205).

530031403 is an equidigital number, since it uses as much as digits as its factorization.

530031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 530031403 is about 23022.4108859172. The cubic root of 530031403 is about 809.2832164233.

Adding to 530031403 its reverse (304130035), we get a palindrome (834161438).

The spelling of 530031403 in words is "five hundred thirty million, thirty-one thousand, four hundred three".