1313303021222 has 8 divisors (see below), whose sum is σ = 1975800095256. Its totient is φ = 654702989472.

The previous prime is 1313303021201. The next prime is 1313303021227. The reversal of 1313303021222 is 2221203033131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313303021227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974259728 + ... + 974261075.

It is an arithmetic number, because the mean of its divisors is an integer number (246975011907).

Almost surely, 2^{1313303021222} is an apocalyptic number.

1313303021222 is a deficient number, since it is larger than the sum of its proper divisors (662497074034).

1313303021222 is a wasteful number, since it uses less digits than its factorization.

1313303021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948521142.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313303021222 its reverse (2221203033131), we get a palindrome (3534506054353).

The spelling of 1313303021222 in words is "one trillion, three hundred thirteen billion, three hundred three million, twenty-one thousand, two hundred twenty-two".