11403131242 has 8 divisors (see below), whose sum is σ = 18110855556. Its totient is φ = 5366179392.

The previous prime is 11403131237. The next prime is 11403131297. The reversal of 11403131242 is 24213130411.

It can be written as a sum of positive squares in 2 ways, for example, as 11257422201 + 145709041 = 106101^2 + 12071^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167693073 + ... + 167693140.

Almost surely, 2^11403131242 is an apocalyptic number.

11403131242 is a deficient number, since it is larger than the sum of its proper divisors (6707724314).

11403131242 is a wasteful number, since it uses less digits than its factorization.

11403131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335386232.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11403131242 its reverse (24213130411), we get a palindrome (35616261653).

The spelling of 11403131242 in words is "eleven billion, four hundred three million, one hundred thirty-one thousand, two hundred forty-two".