311420253223 has 8 divisors (see below), whose sum is σ = 311600436560. Its totient is φ = 311240128320.

The previous prime is 311420253211. The next prime is 311420253247. The reversal of 311420253223 is 322352024113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311420253223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311420253191 and 311420253200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311426253223) 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 7 ways as a sum of consecutive naturals, for example, 14462461 + ... + 14483977.

It is an arithmetic number, because the mean of its divisors is an integer number (38950054570).

Almost surely, 2^311420253223 is an apocalyptic number.

311420253223 is a deficient number, since it is larger than the sum of its proper divisors (180183337).

311420253223 is a wasteful number, since it uses less digits than its factorization.

311420253223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 311420253223 its reverse (322352024113), we get a palindrome (633772277336).

The spelling of 311420253223 in words is "three hundred eleven billion, four hundred twenty million, two hundred fifty-three thousand, two hundred twenty-three".