203120311322 has 8 divisors (see below), whose sum is σ = 306046747776. Its totient is φ = 101104728732.

The previous prime is 203120311313. The next prime is 203120311349. The reversal of 203120311322 is 223113021302.

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

It is a junction number, because it is equal to n+sod(n) for n = 203120311294 and 203120311303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227712908 + ... + 227713799.

It is an arithmetic number, because the mean of its divisors is an integer number (38255843472).

Almost surely, 2^203120311322 is an apocalyptic number.

203120311322 is a deficient number, since it is larger than the sum of its proper divisors (102926436454).

203120311322 is a wasteful number, since it uses less digits than its factorization.

203120311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455426932.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203120311322 its reverse (223113021302), we get a palindrome (426233332624).

The spelling of 203120311322 in words is "two hundred three billion, one hundred twenty million, three hundred eleven thousand, three hundred twenty-two".