531123342 has 32 divisors (see below), whose sum is σ = 1111255200. Its totient is φ = 169010688.

The previous prime is 531123331. The next prime is 531123349. The reversal of 531123342 is 243321135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531123349) 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, 1663 + ... + 32634.

It is an arithmetic number, because the mean of its divisors is an integer number (34726725).

Almost surely, 2^531123342 is an apocalyptic number.

531123342 is an abundant number, since it is smaller than the sum of its proper divisors (580131858).

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

531123342 is a wasteful number, since it uses less digits than its factorization.

531123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34420.

The product of its digits is 2160, while the sum is 24.

The square root of 531123342 is about 23046.1133816529. The cubic root of 531123342 is about 809.8385808504.

Adding to 531123342 its reverse (243321135), we get a palindrome (774444477).

The spelling of 531123342 in words is "five hundred thirty-one million, one hundred twenty-three thousand, three hundred forty-two".