42531522122300 has 72 divisors (see below), whose sum is σ = 94829393499120. Its totient is φ = 16545548505600.

The previous prime is 42531522122273. The next prime is 42531522122351. The reversal of 42531522122300 is 322122513524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5919971 + ... + 10959429.

It is an arithmetic number, because the mean of its divisors is an integer number (1317074909710).

Almost surely, 2^{42531522122300} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42531522122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47414696749560).

42531522122300 is an abundant number, since it is smaller than the sum of its proper divisors (52297871376820).

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

42531522122300 is a wasteful number, since it uses less digits than its factorization.

42531522122300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041791 (or 5041784 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 42531522122300 its reverse (322122513524), we get a palindrome (42853644635824).

The spelling of 42531522122300 in words is "forty-two trillion, five hundred thirty-one billion, five hundred twenty-two million, one hundred twenty-two thousand, three hundred".