11012323312331 has 4 divisors (see below), whose sum is σ = 12013443613464. Its totient is φ = 10011203011200.

The previous prime is 11012323312297. The next prime is 11012323312343. The reversal of 11012323312331 is 13321332321011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012323312331 is a prime.

It is a super-2 number, since 2×11012323312331² (a number of 27 digits) contains 22 as substring.

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 11012323312331.

It is not an unprimeable number, because it can be changed into a prime (11012323312351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500560150550 + ... + 500560150571.

It is an arithmetic number, because the mean of its divisors is an integer number (3003360903366).

Almost surely, 2^{11012323312331} is an apocalyptic number.

11012323312331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012323312331 is a deficient number, since it is larger than the sum of its proper divisors (1001120301133).

11012323312331 is a wasteful number, since it uses less digits than its factorization.

11012323312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001120301132.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11012323312331 its reverse (13321332321011), we get a palindrome (24333655633342).

The spelling of 11012323312331 in words is "eleven trillion, twelve billion, three hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".