11231801 has 4 divisors (see below), whose sum is σ = 12836352. Its totient is φ = 9627252.

The previous prime is 11231791. The next prime is 11231807. The reversal of 11231801 is 10813211.

11231801 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11231801 - 2¹⁰ = 11230777 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 11231801.

It is not an unprimeable number, because it can be changed into a prime (11231807) 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, 802265 + ... + 802278.

It is an arithmetic number, because the mean of its divisors is an integer number (3209088).

Almost surely, 2^11231801 is an apocalyptic number.

It is an amenable number.

11231801 is a deficient number, since it is larger than the sum of its proper divisors (1604551).

11231801 is an equidigital number, since it uses as much as digits as its factorization.

11231801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604550.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11231801 is about 3351.3879214439. The cubic root of 11231801 is about 223.9493468056.

It can be divided in two parts, 112 and 31801, that added together give a palindrome (31913).

The spelling of 11231801 in words is "eleven million, two hundred thirty-one thousand, eight hundred one".