531153342 has 32 divisors (see below), whose sum is σ = 1182504960. Its totient is φ = 176726520.

The previous prime is 531153313. The next prime is 531153347. The reversal of 531153342 is 243351135.

531153342 is a `hidden beast` number, since 5 + 311 + 5 + 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 not an unprimeable number, because it can be changed into a prime (531153347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21667 + ... + 39137.

It is an arithmetic number, because the mean of its divisors is an integer number (36953280).

Almost surely, 2^531153342 is an apocalyptic number.

531153342 is an abundant number, since it is smaller than the sum of its proper divisors (651351618).

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

531153342 is a wasteful number, since it uses less digits than its factorization.

531153342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18045 (or 18039 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 531153342 is about 23046.7642414288. The cubic root of 531153342 is about 809.8538282189.

It can be divided in two parts, 5311 and 53342, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 531153342 in words is "five hundred thirty-one million, one hundred fifty-three thousand, three hundred forty-two".