242022171431 has 4 divisors (see below), whose sum is σ = 247925151264. Its totient is φ = 236119191600.

The previous prime is 242022171427. The next prime is 242022171473. The reversal of 242022171431 is 134171220242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242022171431 - 2² = 242022171427 is a prime.

It is a super-2 number, since 2×242022171431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242022171394 and 242022171403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242022171421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951489855 + ... + 2951489936.

It is an arithmetic number, because the mean of its divisors is an integer number (61981287816).

Almost surely, 2^242022171431 is an apocalyptic number.

242022171431 is a deficient number, since it is larger than the sum of its proper divisors (5902979833).

242022171431 is an equidigital number, since it uses as much as digits as its factorization.

242022171431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902979832.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 242022171431 its reverse (134171220242), we get a palindrome (376193391673).

The spelling of 242022171431 in words is "two hundred forty-two billion, twenty-two million, one hundred seventy-one thousand, four hundred thirty-one".