11311223032 has 32 divisors (see below), whose sum is σ = 22352025600. Its totient is φ = 5351409504.

The previous prime is 11311222999. The next prime is 11311223041. The reversal of 11311223032 is 23032211311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80713 + ... + 170695.

It is an arithmetic number, because the mean of its divisors is an integer number (698500800).

Almost surely, 2^11311223032 is an apocalyptic number.

It is an amenable number.

11311223032 is a deficient number, since it is larger than the sum of its proper divisors (11040802568).

11311223032 is a wasteful number, since it uses less digits than its factorization.

11311223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90835 (or 90831 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11311223032 its reverse (23032211311), we get a palindrome (34343434343).

The spelling of 11311223032 in words is "eleven billion, three hundred eleven million, two hundred twenty-three thousand, thirty-two".