11031321032 has 8 divisors (see below), whose sum is σ = 20683726950. Its totient is φ = 5515660512.

The previous prime is 11031321013. The next prime is 11031321043. The reversal of 11031321032 is 23012313011.

It can be written as a sum of positive squares in only one way, i.e., 8707502596 + 2323818436 = 93314^2 + 48206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11031321032² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11031321032.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 689457557 + ... + 689457572.

Almost surely, 2^11031321032 is an apocalyptic number.

It is an amenable number.

11031321032 is a deficient number, since it is larger than the sum of its proper divisors (9652405918).

11031321032 is a wasteful number, since it uses less digits than its factorization.

11031321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378915135 (or 1378915131 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11031321032 its reverse (23012313011), we get a palindrome (34043634043).

The spelling of 11031321032 in words is "eleven billion, thirty-one million, three hundred twenty-one thousand, thirty-two".