11031111332 has 12 divisors (see below), whose sum is σ = 19315320780. Its totient is φ = 5512448256.

The previous prime is 11031111209. The next prime is 11031111337. The reversal of 11031111332 is 23311113011.

It can be written as a sum of positive squares in 2 ways, for example, as 6715146916 + 4315964416 = 81946^2 + 65696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11031111332.

It is not an unprimeable number, because it can be changed into a prime (11031111337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768857 + ... + 783072.

It is an arithmetic number, because the mean of its divisors is an integer number (1609610065).

Almost surely, 2^11031111332 is an apocalyptic number.

It is an amenable number.

11031111332 is a deficient number, since it is larger than the sum of its proper divisors (8284209448).

11031111332 is a wasteful number, since it uses less digits than its factorization.

11031111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553710 (or 1553708 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11031111332 its reverse (23311113011), we get a palindrome (34342224343).

The spelling of 11031111332 in words is "eleven billion, thirty-one million, one hundred eleven thousand, three hundred thirty-two".