313241221144021 has 8 divisors (see below), whose sum is σ = 313400348183520. Its totient is φ = 313082098637808.

The previous prime is 313241221144003. The next prime is 313241221144081. The reversal of 313241221144021 is 120441122142313.

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-313241221144021 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 (313241221144081) 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, 141662490 + ... + 143856676.

It is an arithmetic number, because the mean of its divisors is an integer number (39175043522940).

Almost surely, 2^{313241221144021} is an apocalyptic number.

It is an amenable number.

313241221144021 is a deficient number, since it is larger than the sum of its proper divisors (159127039499).

313241221144021 is a wasteful number, since it uses less digits than its factorization.

313241221144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266643.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 313241221144021 its reverse (120441122142313), we get a palindrome (433682343286334).

The spelling of 313241221144021 in words is "three hundred thirteen trillion, two hundred forty-one billion, two hundred twenty-one million, one hundred forty-four thousand, twenty-one".