531080143 has 16 divisors (see below), whose sum is σ = 618621696. Its totient is φ = 451059840.

The previous prime is 531080111. The next prime is 531080149. The reversal of 531080143 is 341080135.

It is not a de Polignac number, because 531080143 - 2⁵ = 531080111 is a prime.

It is a super-2 number, since 2×531080143² = 564092236577800898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531080149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13530 + ... + 35287.

It is an arithmetic number, because the mean of its divisors is an integer number (38663856).

Almost surely, 2^531080143 is an apocalyptic number.

531080143 is a deficient number, since it is larger than the sum of its proper divisors (87541553).

531080143 is a wasteful number, since it uses less digits than its factorization.

531080143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48894.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 531080143 is about 23045.1761329785. The cubic root of 531080143 is about 809.8166241392.

The spelling of 531080143 in words is "five hundred thirty-one million, eighty thousand, one hundred forty-three".