11312031442 has 8 divisors (see below), whose sum is σ = 17705788416. Its totient is φ = 5410101972.

The previous prime is 11312031439. The next prime is 11312031469. The reversal of 11312031442 is 24413021311.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122956818 + ... + 122956909.

It is an arithmetic number, because the mean of its divisors is an integer number (2213223552).

Almost surely, 2^11312031442 is an apocalyptic number.

11312031442 is a deficient number, since it is larger than the sum of its proper divisors (6393756974).

11312031442 is a wasteful number, since it uses less digits than its factorization.

11312031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245913752.

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

Adding to 11312031442 its reverse (24413021311), we get a palindrome (35725052753).

The spelling of 11312031442 in words is "eleven billion, three hundred twelve million, thirty-one thousand, four hundred forty-two".