11031481 has 8 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 10832640.

The previous prime is 11031479. The next prime is 11031497. The reversal of 11031481 is 18413011.

11031481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11031481 - 2¹ = 11031479 is a prime.

It is a super-2 number, since 2×11031481² = 243387146106722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24345 + ... + 24793.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000).

Almost surely, 2^11031481 is an apocalyptic number.

It is an amenable number.

11031481 is a deficient number, since it is larger than the sum of its proper divisors (200519).

11031481 is an equidigital number, since it uses as much as digits as its factorization.

11031481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 11031481 is about 3321.3673389133. The cubic root of 11031481 is about 222.6099679443.

Adding to 11031481 its reverse (18413011), we get a palindrome (29444492).

The spelling of 11031481 in words is "eleven million, thirty-one thousand, four hundred eighty-one".