530231144 has 32 divisors (see below), whose sum is σ = 1041448320. Its totient is φ = 252601536.

The previous prime is 530231129. The next prime is 530231159. The reversal of 530231144 is 441132035.

It is an interprime number because it is at equal distance from previous prime (530231129) and next prime (530231159).

It is a super-2 number, since 2×530231144² = 562290132135097472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42914 + ... + 53870.

It is an arithmetic number, because the mean of its divisors is an integer number (32545260).

Almost surely, 2^530231144 is an apocalyptic number.

It is an amenable number.

530231144 is a deficient number, since it is larger than the sum of its proper divisors (511217176).

530231144 is a wasteful number, since it uses less digits than its factorization.

530231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249 (or 11245 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 530231144 is about 23026.7484461007. The cubic root of 530231144 is about 809.3848624370.

Adding to 530231144 its reverse (441132035), we get a palindrome (971363179).

The spelling of 530231144 in words is "five hundred thirty million, two hundred thirty-one thousand, one hundred forty-four".