210122313 has 16 divisors (see below), whose sum is σ = 290848320. Its totient is φ = 134773184.

The previous prime is 210122303. The next prime is 210122351. The reversal of 210122313 is 313221012.

It is a cyclic number.

It is not a de Polignac number, because 210122313 - 2⁵ = 210122281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210122292 and 210122301.

It is not an unprimeable number, because it can be changed into a prime (210122303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21370 + ... + 29612.

It is an arithmetic number, because the mean of its divisors is an integer number (18178020).

Almost surely, 2^210122313 is an apocalyptic number.

It is an amenable number.

210122313 is a deficient number, since it is larger than the sum of its proper divisors (80726007).

210122313 is a wasteful number, since it uses less digits than its factorization.

210122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 210122313 is about 14495.5963313001. The cubic root of 210122313 is about 594.5075727085.

Adding to 210122313 its reverse (313221012), we get a palindrome (523343325).

The spelling of 210122313 in words is "two hundred ten million, one hundred twenty-two thousand, three hundred thirteen".