111303203313 has 4 divisors (see below), whose sum is σ = 148404271088. Its totient is φ = 74202135540.

The previous prime is 111303203309. The next prime is 111303203339. The reversal of 111303203313 is 313302303111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111303203313 - 2² = 111303203309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111303203313.

It is not an unprimeable number, because it can be changed into a prime (111303203393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18550533883 + ... + 18550533888.

It is an arithmetic number, because the mean of its divisors is an integer number (37101067772).

Almost surely, 2^111303203313 is an apocalyptic number.

It is an amenable number.

111303203313 is a deficient number, since it is larger than the sum of its proper divisors (37101067775).

111303203313 is an equidigital number, since it uses as much as digits as its factorization.

111303203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37101067774.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 111303203313 its reverse (313302303111), we get a palindrome (424605506424).

The spelling of 111303203313 in words is "one hundred eleven billion, three hundred three million, two hundred three thousand, three hundred thirteen".