243233246745131 has 16 divisors (see below), whose sum is σ = 254071619343360. Its totient is φ = 232558420836000.

The previous prime is 243233246745089. The next prime is 243233246745179. The reversal of 243233246745131 is 131547642332342.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 243233246745131 - 2³⁸ = 242958368838187 is a prime.

It is a super-2 number, since 2×243233246745131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243233246745131.

It is not an unprimeable number, because it can be changed into a prime (243233242745131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93557906 + ... + 96122568.

It is an arithmetic number, because the mean of its divisors is an integer number (15879476208960).

Almost surely, 2^{243233246745131} is an apocalyptic number.

243233246745131 is a deficient number, since it is larger than the sum of its proper divisors (10838372598229).

243233246745131 is a wasteful number, since it uses less digits than its factorization.

243233246745131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596546.

The product of its digits is 8709120, while the sum is 50.

The spelling of 243233246745131 in words is "two hundred forty-three trillion, two hundred thirty-three billion, two hundred forty-six million, seven hundred forty-five thousand, one hundred thirty-one".