213203032020321 has 12 divisors (see below), whose sum is σ = 330682253746032. Its totient is φ = 121830304011528.

The previous prime is 213203032020227. The next prime is 213203032020367. The reversal of 213203032020321 is 123020230302312.

It is not a de Polignac number, because 213203032020321 - 2¹⁵ = 213203031987553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213203032020291 and 213203032020300.

It is not an unprimeable number, because it can be changed into a prime (213203032020221) 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 11 ways as a sum of consecutive naturals, for example, 725180380875 + ... + 725180381168.

It is an arithmetic number, because the mean of its divisors is an integer number (27556854478836).

Almost surely, 2^{213203032020321} is an apocalyptic number.

213203032020321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213203032020321 is a deficient number, since it is larger than the sum of its proper divisors (117479221725711).

213203032020321 is a wasteful number, since it uses less digits than its factorization.

213203032020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450360762060 (or 1450360762053 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213203032020321 its reverse (123020230302312), we get a palindrome (336223262322633).

The spelling of 213203032020321 in words is "two hundred thirteen trillion, two hundred three billion, thirty-two million, twenty thousand, three hundred twenty-one".