11303231193 has 6 divisors (see below), whose sum is σ = 16326889514. Its totient is φ = 7535487456.

The previous prime is 11303231183. The next prime is 11303231239. The reversal of 11303231193 is 39113230311.

It can be written as a sum of positive squares in only one way, i.e., 7141433049 + 4161798144 = 84507^2 + 64512^2 .

It is not a de Polignac number, because 11303231193 - 2⁵ = 11303231161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303231153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627957280 + ... + 627957297.

Almost surely, 2^11303231193 is an apocalyptic number.

It is an amenable number.

11303231193 is a deficient number, since it is larger than the sum of its proper divisors (5023658321).

11303231193 is a wasteful number, since it uses less digits than its factorization.

11303231193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255914583 (or 1255914580 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

It can be divided in two parts, 1130 and 3231193, that added together give a palindrome (3232323).

The spelling of 11303231193 in words is "eleven billion, three hundred three million, two hundred thirty-one thousand, one hundred ninety-three".