11020331 has 4 divisors (see below), whose sum is σ = 12594672. Its totient is φ = 9445992.

The previous prime is 11020327. The next prime is 11020333. The reversal of 11020331 is 13302011.

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

It is a cyclic number.

It is not a de Polignac number, because 11020331 - 2² = 11020327 is a prime.

It is a super-2 number, since 2×11020331² = 242895390699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020333) 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, 787160 + ... + 787173.

It is an arithmetic number, because the mean of its divisors is an integer number (3148668).

Almost surely, 2^11020331 is an apocalyptic number.

11020331 is a deficient number, since it is larger than the sum of its proper divisors (1574341).

11020331 is an equidigital number, since it uses as much as digits as its factorization.

11020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574340.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11020331 is about 3319.6883889907. The cubic root of 11020331 is about 222.5349421199.

Adding to 11020331 its reverse (13302011), we get a palindrome (24322342).

The spelling of 11020331 in words is "eleven million, twenty thousand, three hundred thirty-one".