242402033431 has 16 divisors (see below), whose sum is σ = 262343702016. Its totient is φ = 223099997056.

The previous prime is 242402033407. The next prime is 242402033453. The reversal of 242402033431 is 134330204242.

It is not a de Polignac number, because 242402033431 - 2⁷ = 242402033303 is a prime.

It is a super-2 number, since 2×242402033431² (a number of 24 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 242402033431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242402043431) 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, 820620 + ... + 1076206.

It is an arithmetic number, because the mean of its divisors is an integer number (16396481376).

Almost surely, 2^242402033431 is an apocalyptic number.

242402033431 is a deficient number, since it is larger than the sum of its proper divisors (19941668585).

242402033431 is a wasteful number, since it uses less digits than its factorization.

242402033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256838.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 242402033431 its reverse (134330204242), we get a palindrome (376732237673).

The spelling of 242402033431 in words is "two hundred forty-two billion, four hundred two million, thirty-three thousand, four hundred thirty-one".