11230311 has 8 divisors (see below), whose sum is σ = 15761920. Its totient is φ = 7092792.

The previous prime is 11230309. The next prime is 11230313. The reversal of 11230311 is 11303211.

It is an interprime number because it is at equal distance from previous prime (11230309) and next prime (11230313).

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

It is not a de Polignac number, because 11230311 - 2¹ = 11230309 is a prime.

It is a super-2 number, since 2×11230311² = 252239770313442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230313) 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, 98455 + ... + 98568.

It is an arithmetic number, because the mean of its divisors is an integer number (1970240).

Almost surely, 2^11230311 is an apocalyptic number.

11230311 is a deficient number, since it is larger than the sum of its proper divisors (4531609).

11230311 is a wasteful number, since it uses less digits than its factorization.

11230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197045.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11230311 is about 3351.1656181096. The cubic root of 11230311 is about 223.9394433988.

Adding to 11230311 its reverse (11303211), we get a palindrome (22533522).

Subtracting 11230311 from its reverse (11303211), we obtain a square (72900 = 270²).

The spelling of 11230311 in words is "eleven million, two hundred thirty thousand, three hundred eleven".