11013332331 has 4 divisors (see below), whose sum is σ = 14684443112. Its totient is φ = 7342221552.

The previous prime is 11013332327. The next prime is 11013332339. The reversal of 11013332331 is 13323331011.

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

It is not a de Polignac number, because 11013332331 - 2² = 11013332327 is a prime.

It is a super-2 number, since 2×11013332331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013332298 and 11013332307.

It is not an unprimeable number, because it can be changed into a prime (11013332339) 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, 1835555386 + ... + 1835555391.

It is an arithmetic number, because the mean of its divisors is an integer number (3671110778).

Almost surely, 2^11013332331 is an apocalyptic number.

11013332331 is a deficient number, since it is larger than the sum of its proper divisors (3671110781).

11013332331 is an equidigital number, since it uses as much as digits as its factorization.

11013332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671110780.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11013332331 its reverse (13323331011), we get a palindrome (24336663342).

The spelling of 11013332331 in words is "eleven billion, thirteen million, three hundred thirty-two thousand, three hundred thirty-one".