311412204403 has 16 divisors (see below), whose sum is σ = 325656055296. Its totient is φ = 297227494080.

The previous prime is 311412204391. The next prime is 311412204419. The reversal of 311412204403 is 304402214113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311412204403 is a prime.

It is a super-2 number, since 2×311412204403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311412204203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55379050 + ... + 55384672.

It is an arithmetic number, because the mean of its divisors is an integer number (20353503456).

Almost surely, 2^311412204403 is an apocalyptic number.

311412204403 is a deficient number, since it is larger than the sum of its proper divisors (14243850893).

311412204403 is a wasteful number, since it uses less digits than its factorization.

311412204403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311412204403 its reverse (304402214113), we get a palindrome (615814418516).

The spelling of 311412204403 in words is "three hundred eleven billion, four hundred twelve million, two hundred four thousand, four hundred three".