11031261 has 8 divisors (see below), whose sum is σ = 14986080. Its totient is φ = 7215312.

The previous prime is 11031259. The next prime is 11031311. The reversal of 11031261 is 16213011.

11031261 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 not a de Polignac number, because 11031261 - 2¹ = 11031259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11031261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031221) 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, 34531 + ... + 34848.

It is an arithmetic number, because the mean of its divisors is an integer number (1873260).

Almost surely, 2^11031261 is an apocalyptic number.

It is an amenable number.

11031261 is a deficient number, since it is larger than the sum of its proper divisors (3954819).

11031261 is an equidigital number, since it uses as much as digits as its factorization.

11031261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69435.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11031261 is about 3321.3342198580. The cubic root of 11031261 is about 222.6084881031.

Adding to 11031261 its reverse (16213011), we get a palindrome (27244272).

The spelling of 11031261 in words is "eleven million, thirty-one thousand, two hundred sixty-one".