242544401431 has 16 divisors (see below), whose sum is σ = 249798463488. Its totient is φ = 235404100800.

The previous prime is 242544401423. The next prime is 242544401471. The reversal of 242544401431 is 134104445242.

It is a cyclic number.

It is not a de Polignac number, because 242544401431 - 2³ = 242544401423 is a prime.

It is a super-2 number, since 2×242544401431² (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 (242544401401) 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, 4723626 + ... + 4774696.

It is an arithmetic number, because the mean of its divisors is an integer number (15612403968).

Almost surely, 2^242544401431 is an apocalyptic number.

242544401431 is a deficient number, since it is larger than the sum of its proper divisors (7254062057).

242544401431 is an equidigital number, since it uses as much as digits as its factorization.

242544401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52182.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 242544401431 its reverse (134104445242), we get a palindrome (376648846673).

The spelling of 242544401431 in words is "two hundred forty-two billion, five hundred forty-four million, four hundred one thousand, four hundred thirty-one".