313044132223421 has 8 divisors (see below), whose sum is σ = 314375998689984. Its totient is φ = 311712537890880.

The previous prime is 313044132223387. The next prime is 313044132223517. The reversal of 313044132223421 is 124322231440313.

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-313044132223421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313044132253421) 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, 65727785 + ... + 70329438.

It is an arithmetic number, because the mean of its divisors is an integer number (39296999836248).

Almost surely, 2^{313044132223421} is an apocalyptic number.

It is an amenable number.

313044132223421 is a deficient number, since it is larger than the sum of its proper divisors (1331866466563).

313044132223421 is a wasteful number, since it uses less digits than its factorization.

313044132223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136067011.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 313044132223421 its reverse (124322231440313), we get a palindrome (437366363663734).

The spelling of 313044132223421 in words is "three hundred thirteen trillion, forty-four billion, one hundred thirty-two million, two hundred twenty-three thousand, four hundred twenty-one".