11303312019 has 16 divisors (see below), whose sum is σ = 15983441280. Its totient is φ = 7080796800.

The previous prime is 11303311993. The next prime is 11303312023. The reversal of 11303312019 is 91021330311.

It is not a de Polignac number, because 11303312019 - 2⁷ = 11303311891 is a prime.

It is a super-2 number, since 2×11303312019² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11303312019.

It is not an unprimeable number, because it can be changed into a prime (11303312219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147457 + ... + 210594.

It is an arithmetic number, because the mean of its divisors is an integer number (998965080).

Almost surely, 2^11303312019 is an apocalyptic number.

11303312019 is a deficient number, since it is larger than the sum of its proper divisors (4680129261).

11303312019 is a wasteful number, since it uses less digits than its factorization.

11303312019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358690.

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 11303312019 in words is "eleven billion, three hundred three million, three hundred twelve thousand, nineteen".