11231401 has 4 divisors (see below), whose sum is σ = 11263572. Its totient is φ = 11199232.

The previous prime is 11231399. The next prime is 11231431. The reversal of 11231401 is 10413211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 3613801 = 2760^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231401 - 2¹ = 11231399 is a prime.

It is a super-3 number, since 3×11231401³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15556 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (2815893).

Almost surely, 2^11231401 is an apocalyptic number.

It is an amenable number.

11231401 is a deficient number, since it is larger than the sum of its proper divisors (32171).

11231401 is an equidigital number, since it uses as much as digits as its factorization.

11231401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32170.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11231401 is about 3351.3282441444. The cubic root of 11231401 is about 223.9466882589.

Adding to 11231401 its reverse (10413211), we get a palindrome (21644612).

It can be divided in two parts, 112 and 31401, that added together give a palindrome (31513).

The spelling of 11231401 in words is "eleven million, two hundred thirty-one thousand, four hundred one".