10104431242 has 4 divisors (see below), whose sum is σ = 15156646866. Its totient is φ = 5052215620.

The previous prime is 10104431191. The next prime is 10104431297. The reversal of 10104431242 is 24213440101.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7940413881 + 2164017361 = 89109^2 + 46519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526107809 + ... + 2526107812.

Almost surely, 2^10104431242 is an apocalyptic number.

10104431242 is a deficient number, since it is larger than the sum of its proper divisors (5052215624).

10104431242 is an equidigital number, since it uses as much as digits as its factorization.

10104431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052215623.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10104431242 its reverse (24213440101), we get a palindrome (34317871343).

The spelling of 10104431242 in words is "ten billion, one hundred four million, four hundred thirty-one thousand, two hundred forty-two".