11303830 has 16 divisors (see below), whose sum is σ = 20386080. Its totient is φ = 4512832.

The previous prime is 11303821. The next prime is 11303857. The reversal of 11303830 is 3830311.

It is a super-3 number, since 3×11303830³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11303798 and 11303807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7911 + ... + 9229.

It is an arithmetic number, because the mean of its divisors is an integer number (1274130).

Almost surely, 2^11303830 is an apocalyptic number.

11303830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11303830 is a deficient number, since it is larger than the sum of its proper divisors (9082250).

11303830 is a wasteful number, since it uses less digits than its factorization.

11303830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 11303830 is about 3362.1168926734. The cubic root of 11303830 is about 224.4270525541.

The spelling of 11303830 in words is "eleven million, three hundred three thousand, eight hundred thirty".