531340242134 has 16 divisors (see below), whose sum is σ = 895637064672. Its totient is φ = 234571611648.

The previous prime is 531340242127. The next prime is 531340242149. The reversal of 531340242134 is 431242043135.

It is a super-2 number, since 2×531340242134² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531340242134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444263819 + ... + 444265014.

It is an arithmetic number, because the mean of its divisors is an integer number (55977316542).

Almost surely, 2^531340242134 is an apocalyptic number.

531340242134 is a deficient number, since it is larger than the sum of its proper divisors (364296822538).

531340242134 is a wasteful number, since it uses less digits than its factorization.

531340242134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888528871.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 531340242134 its reverse (431242043135), we get a palindrome (962582285269).

The spelling of 531340242134 in words is "five hundred thirty-one billion, three hundred forty million, two hundred forty-two thousand, one hundred thirty-four".