11311130 has 8 divisors (see below), whose sum is σ = 20360052. Its totient is φ = 4524448.

The previous prime is 11311129. The next prime is 11311133. The reversal of 11311130 is 3111311.

It is a happy number.

11311130 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 175561 = 3337^2 + 419^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11311133) 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, 565547 + ... + 565566.

Almost surely, 2^11311130 is an apocalyptic number.

11311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311130 is a deficient number, since it is larger than the sum of its proper divisors (9048922).

11311130 is a wasteful number, since it uses less digits than its factorization.

11311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131120.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11311130 is about 3363.2023430058. The cubic root of 11311130 is about 224.4753537327.

Adding to 11311130 its reverse (3111311), we get a palindrome (14422441).

It can be divided in two parts, 1 and 1311130, that added together give a palindrome (1311131).

The spelling of 11311130 in words is "eleven million, three hundred eleven thousand, one hundred thirty".