210120321313 has 8 divisors (see below), whose sum is σ = 242028357632. Its totient is φ = 178684996896.

The previous prime is 210120321241. The next prime is 210120321319. The reversal of 210120321313 is 313123021012.

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

It is not a de Polignac number, because 210120321313 - 2⁹ = 210120320801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120321319) 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, 118177020 + ... + 118178797.

It is an arithmetic number, because the mean of its divisors is an integer number (30253544704).

Almost surely, 2^210120321313 is an apocalyptic number.

It is an amenable number.

210120321313 is a deficient number, since it is larger than the sum of its proper divisors (31908036319).

210120321313 is a wasteful number, since it uses less digits than its factorization.

210120321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236355951.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210120321313 its reverse (313123021012), we get a palindrome (523243342325).

The spelling of 210120321313 in words is "two hundred ten billion, one hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".