531203142 has 16 divisors (see below), whose sum is σ = 1062637632. Its totient is φ = 177029160.

The previous prime is 531203111. The next prime is 531203143. The reversal of 531203142 is 241302135.

It is a super-3 number, since 3×531203142³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531203143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39417 + ... + 51147.

It is an arithmetic number, because the mean of its divisors is an integer number (66414852).

Almost surely, 2^531203142 is an apocalyptic number.

531203142 is an abundant number, since it is smaller than the sum of its proper divisors (531434490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531203142 is a wasteful number, since it uses less digits than its factorization.

531203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 531203142 is about 23047.8446280775. The cubic root of 531203142 is about 809.8791375832.

Adding to 531203142 its reverse (241302135), we get a palindrome (772505277).

The spelling of 531203142 in words is "five hundred thirty-one million, two hundred three thousand, one hundred forty-two".