310320121 has 8 divisors (see below), whose sum is σ = 318067904. Its totient is φ = 302596560.

The previous prime is 310320089. The next prime is 310320133. The reversal of 310320121 is 121023013.

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 310320121 - 2⁵ = 310320089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (310320191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21415 + ... + 32851.

It is an arithmetic number, because the mean of its divisors is an integer number (39758488).

Almost surely, 2^310320121 is an apocalyptic number.

It is an amenable number.

310320121 is a deficient number, since it is larger than the sum of its proper divisors (7747783).

310320121 is a wasteful number, since it uses less digits than its factorization.

310320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 310320121 is about 17615.9053414805. The cubic root of 310320121 is about 677.0228270825.

Adding to 310320121 its reverse (121023013), we get a palindrome (431343134).

The spelling of 310320121 in words is "three hundred ten million, three hundred twenty thousand, one hundred twenty-one".