11231019 has 12 divisors (see below), whose sum is σ = 16286400. Its totient is φ = 7457904.

The previous prime is 11230939. The next prime is 11231027. The reversal of 11231019 is 91013211.

11231019 = 55² + 56² + ... + 323².

It is not a de Polignac number, because 11231019 - 2⁸ = 11230763 is a prime.

It is a super-2 number, since 2×11231019² = 252271575556722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230992 and 11231010.

It is not an unprimeable number, because it can be changed into a prime (11231029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102 + ... + 4740.

It is an arithmetic number, because the mean of its divisors is an integer number (1357200).

Almost surely, 2^11231019 is an apocalyptic number.

11231019 is a deficient number, since it is larger than the sum of its proper divisors (5055381).

11231019 is a wasteful number, since it uses less digits than its factorization.

11231019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 11231019 is about 3351.2712513314. The cubic root of 11231019 is about 223.9441492879.

The spelling of 11231019 in words is "eleven million, two hundred thirty-one thousand, nineteen".