311104142203 has 4 divisors (see below), whose sum is σ = 329404385880. Its totient is φ = 292803898528.

The previous prime is 311104142201. The next prime is 311104142207. The reversal of 311104142203 is 302241401113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311104142203 - 2¹ = 311104142201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311104142201) 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, 9150121813 + ... + 9150121846.

It is an arithmetic number, because the mean of its divisors is an integer number (82351096470).

Almost surely, 2^311104142203 is an apocalyptic number.

311104142203 is a deficient number, since it is larger than the sum of its proper divisors (18300243677).

311104142203 is a wasteful number, since it uses less digits than its factorization.

311104142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300243676.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 311104142203 its reverse (302241401113), we get a palindrome (613345543316).

The spelling of 311104142203 in words is "three hundred eleven billion, one hundred four million, one hundred forty-two thousand, two hundred three".