311402143221203 has 8 divisors (see below), whose sum is σ = 330973604251488. Its totient is φ = 291969980846464.

The previous prime is 311402143221173. The next prime is 311402143221311. The reversal of 311402143221203 is 302122341204113.

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 not a de Polignac number, because 311402143221203 - 2¹⁶ = 311402143155667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311402143221703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34824659276 + ... + 34824668217.

It is an arithmetic number, because the mean of its divisors is an integer number (41371700531436).

Almost surely, 2^{311402143221203} is an apocalyptic number.

311402143221203 is a deficient number, since it is larger than the sum of its proper divisors (19571461030285).

311402143221203 is a wasteful number, since it uses less digits than its factorization.

311402143221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69649327773.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 311402143221203 its reverse (302122341204113), we get a palindrome (613524484425316).

The spelling of 311402143221203 in words is "three hundred eleven trillion, four hundred two billion, one hundred forty-three million, two hundred twenty-one thousand, two hundred three".