243101242552 has 24 divisors (see below), whose sum is σ = 530233578360. Its totient is φ = 104186246640.

The previous prime is 243101242519. The next prime is 243101242583. The reversal of 243101242552 is 255242101342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310077724 + ... + 310078507.

It is an arithmetic number, because the mean of its divisors is an integer number (22093065765).

Almost surely, 2^243101242552 is an apocalyptic number.

It is an amenable number.

243101242552 is an abundant number, since it is smaller than the sum of its proper divisors (287132335808).

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

243101242552 is a wasteful number, since it uses less digits than its factorization.

243101242552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620156251 (or 620156240 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 243101242552 its reverse (255242101342), we get a palindrome (498343343894).

The spelling of 243101242552 in words is "two hundred forty-three billion, one hundred one million, two hundred forty-two thousand, five hundred fifty-two".