1101031312 has 10 divisors (see below), whose sum is σ = 2133248198. Its totient is φ = 550515648.

The previous prime is 1101031279. The next prime is 1101031331. The reversal of 1101031312 is 2131301011.

It can be written as a sum of positive squares in only one way, i.e., 1009714176 + 91317136 = 31776^2 + 9556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101031292 and 1101031301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34407213 + ... + 34407244.

Almost surely, 2^1101031312 is an apocalyptic number.

It is an amenable number.

1101031312 is a deficient number, since it is larger than the sum of its proper divisors (1032216886).

1101031312 is an equidigital number, since it uses as much as digits as its factorization.

1101031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68814465 (or 68814459 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1101031312 is about 33181.7918744603. The cubic root of 1101031312 is about 1032.6026216186.

Adding to 1101031312 its reverse (2131301011), we get a palindrome (3232332323).

The spelling of 1101031312 in words is "one billion, one hundred one million, thirty-one thousand, three hundred twelve".