11312011333 has 16 divisors (see below), whose sum is σ = 13233425920. Its totient is φ = 9467112816.

The previous prime is 11312011283. The next prime is 11312011351. The reversal of 11312011333 is 33311021311.

It is not a de Polignac number, because 11312011333 - 2²⁵ = 11278456901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312011333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312021333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171198 + ... + 1180816.

It is an arithmetic number, because the mean of its divisors is an integer number (827089120).

Almost surely, 2^11312011333 is an apocalyptic number.

It is an amenable number.

11312011333 is a deficient number, since it is larger than the sum of its proper divisors (1921414587).

11312011333 is an equidigital number, since it uses as much as digits as its factorization.

11312011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13576.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11312011333 its reverse (33311021311), we get a palindrome (44623032644).

The spelling of 11312011333 in words is "eleven billion, three hundred twelve million, eleven thousand, three hundred thirty-three".