10131240442 has 8 divisors (see below), whose sum is σ = 15205842036. Its totient is φ = 5062626432.

The previous prime is 10131240419. The next prime is 10131240463. The reversal of 10131240442 is 24404213101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10049862001 + 81378441 = 100249^2 + 9021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492663 + ... + 1499434.

Almost surely, 2^10131240442 is an apocalyptic number.

10131240442 is a deficient number, since it is larger than the sum of its proper divisors (5074601594).

10131240442 is a wasteful number, since it uses less digits than its factorization.

10131240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993792.

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

Adding to 10131240442 its reverse (24404213101), we get a palindrome (34535453543).

The spelling of 10131240442 in words is "ten billion, one hundred thirty-one million, two hundred forty thousand, four hundred forty-two".