242719194231 has 12 divisors (see below), whose sum is σ = 350599610608. Its totient is φ = 161810387424.

The previous prime is 242719194229. The next prime is 242719194257. The reversal of 242719194231 is 132491917242.

242719194231 is a `hidden beast` number, since 2 + 427 + 1 + 9 + 194 + 2 + 31 = 666.

It is not a de Polignac number, because 242719194231 - 2¹ = 242719194229 is a prime.

It is a super-2 number, since 2×242719194231² (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 (242719194631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609651 + ... + 925803.

Almost surely, 2^242719194231 is an apocalyptic number.

242719194231 is a deficient number, since it is larger than the sum of its proper divisors (107880416377).

242719194231 is a wasteful number, since it uses less digits than its factorization.

242719194231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401462 (or 401459 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 242719194231 in words is "two hundred forty-two billion, seven hundred nineteen million, one hundred ninety-four thousand, two hundred thirty-one".