531112422213 has 24 divisors (see below), whose sum is σ = 812457487296. Its totient is φ = 333178128000.

The previous prime is 531112422131. The next prime is 531112422229. The reversal of 531112422213 is 312224211135.

It is a happy number.

531112422213 is a `hidden beast` number, since 5 + 3 + 11 + 12 + 422 + 213 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-531112422213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531112422013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388938 + ... + 1101588.

It is an arithmetic number, because the mean of its divisors is an integer number (33852395304).

Almost surely, 2^531112422213 is an apocalyptic number.

It is an amenable number.

531112422213 is a deficient number, since it is larger than the sum of its proper divisors (281345065083).

531112422213 is a wasteful number, since it uses less digits than its factorization.

531112422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717545 (or 717542 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 531112422213 its reverse (312224211135), we get a palindrome (843336633348).

The spelling of 531112422213 in words is "five hundred thirty-one billion, one hundred twelve million, four hundred twenty-two thousand, two hundred thirteen".