242635646231 has 16 divisors (see below), whose sum is σ = 273834068256. Its totient is φ = 213067200000.

The previous prime is 242635646189. The next prime is 242635646243. The reversal of 242635646231 is 132646536242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242635646231 is a prime.

It is a super-2 number, since 2×242635646231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242635646291) 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, 2617790 + ... + 2708891.

It is an arithmetic number, because the mean of its divisors is an integer number (17114629266).

Almost surely, 2^242635646231 is an apocalyptic number.

242635646231 is a deficient number, since it is larger than the sum of its proper divisors (31198422025).

242635646231 is a wasteful number, since it uses less digits than its factorization.

242635646231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326834.

The product of its digits is 1244160, while the sum is 44.

The spelling of 242635646231 in words is "two hundred forty-two billion, six hundred thirty-five million, six hundred forty-six thousand, two hundred thirty-one".