210203031221313 has 64 divisors (see below), whose sum is σ = 329913351936000. Its totient is φ = 117812290682880.

The previous prime is 210203031221291. The next prime is 210203031221377. The reversal of 210203031221313 is 313122130302012.

It is not a de Polignac number, because 210203031221313 - 2⁹ = 210203031220801 is a prime.

It is a super-3 number, since 3×210203031221313³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (210203031221383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 358336233 + ... + 358922361.

It is an arithmetic number, because the mean of its divisors is an integer number (5154896124000).

Almost surely, 2^{210203031221313} is an apocalyptic number.

It is an amenable number.

210203031221313 is a deficient number, since it is larger than the sum of its proper divisors (119710320714687).

210203031221313 is a wasteful number, since it uses less digits than its factorization.

210203031221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603642.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 210203031221313 its reverse (313122130302012), we get a palindrome (523325161523325).

The spelling of 210203031221313 in words is "two hundred ten trillion, two hundred three billion, thirty-one million, two hundred twenty-one thousand, three hundred thirteen".