311430314221323 has 24 divisors (see below), whose sum is σ = 457594606669200. Its totient is φ = 188260437583680.

The previous prime is 311430314221297. The next prime is 311430314221331. The reversal of 311430314221323 is 323122413034113.

It is not a de Polignac number, because 311430314221323 - 2⁶ = 311430314221259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (311430314221333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102602688 + ... + 1102885101.

It is an arithmetic number, because the mean of its divisors is an integer number (19066441944550).

Almost surely, 2^{311430314221323} is an apocalyptic number.

311430314221323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

311430314221323 is a deficient number, since it is larger than the sum of its proper divisors (146164292447877).

311430314221323 is a wasteful number, since it uses less digits than its factorization.

311430314221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205488203 (or 2205488192 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 311430314221323 its reverse (323122413034113), we get a palindrome (634552727255436).

The spelling of 311430314221323 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred fourteen million, two hundred twenty-one thousand, three hundred twenty-three".