313030213121 has 8 divisors (see below), whose sum is σ = 315401100480. Its totient is φ = 310668027088.

The previous prime is 313030213039. The next prime is 313030213129. The reversal of 313030213121 is 121312030313.

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 313030213121 - 2¹⁰ = 313030212097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313030213093 and 313030213102.

It is not an unprimeable number, because it can be changed into a prime (313030213129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103101 + ... + 2247018.

It is an arithmetic number, because the mean of its divisors is an integer number (39425137560).

Almost surely, 2^313030213121 is an apocalyptic number.

It is an amenable number.

313030213121 is a deficient number, since it is larger than the sum of its proper divisors (2370887359).

313030213121 is a wasteful number, since it uses less digits than its factorization.

313030213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350663.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313030213121 its reverse (121312030313), we get a palindrome (434342243434).

The spelling of 313030213121 in words is "three hundred thirteen billion, thirty million, two hundred thirteen thousand, one hundred twenty-one".