11031630442 has 8 divisors (see below), whose sum is σ = 18911366496. Its totient is φ = 4727841612.

The previous prime is 11031630439. The next prime is 11031630481. The reversal of 11031630442 is 24403613011.

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

It is a super-2 number, since 2×11031630442² (a number of 21 digits) contains 22 as substring.

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, 393986788 + ... + 393986815.

It is an arithmetic number, because the mean of its divisors is an integer number (2363920812).

Almost surely, 2^11031630442 is an apocalyptic number.

11031630442 is a deficient number, since it is larger than the sum of its proper divisors (7879736054).

11031630442 is an equidigital number, since it uses as much as digits as its factorization.

11031630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787973612.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 11031630442 in words is "eleven billion, thirty-one million, six hundred thirty thousand, four hundred forty-two".