531423342 has 20 divisors (see below), whose sum is σ = 1190782296. Its totient is φ = 177141060.

The previous prime is 531423337. The next prime is 531423391. The reversal of 531423342 is 243324135.

531423342 is a `hidden beast` number, since 5 + 314 + 2 + 3 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1640034 + ... + 1640357.

Almost surely, 2^531423342 is an apocalyptic number.

531423342 is an abundant number, since it is smaller than the sum of its proper divisors (659358954).

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

531423342 is a wasteful number, since it uses less digits than its factorization.

531423342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280405 (or 3280396 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 531423342 is about 23052.6211524850. The cubic root of 531423342 is about 809.9910287072.

Adding to 531423342 its reverse (243324135), we get a palindrome (774747477).

The spelling of 531423342 in words is "five hundred thirty-one million, four hundred twenty-three thousand, three hundred forty-two".