11311201 has 6 divisors (see below), whose sum is σ = 12433106. Its totient is φ = 10282800.

The previous prime is 11311177. The next prime is 11311217. The reversal of 11311201 is 10211311.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 421201 = 3300^2 + 649^2 .

It is not a de Polignac number, because 11311201 - 2¹⁹ = 10786913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46620 + ... + 46861.

Almost surely, 2^11311201 is an apocalyptic number.

11311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11311201 is a deficient number, since it is larger than the sum of its proper divisors (1121905).

11311201 is an equidigital number, since it uses as much as digits as its factorization.

11311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93503 (or 93492 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11311201 is about 3363.2128984053. The cubic root of 11311201 is about 224.4758234093.

Adding to 11311201 its reverse (10211311), we get a palindrome (21522512).

It can be divided in two parts, 1131 and 1201, that added together give a palindrome (2332).

The spelling of 11311201 in words is "eleven million, three hundred eleven thousand, two hundred one".