213142043421303 has 16 divisors (see below), whose sum is σ = 284686402129920. Its totient is φ = 141846331491936.

The previous prime is 213142043421277. The next prime is 213142043421311. The reversal of 213142043421303 is 303124340241312.

It is not a de Polignac number, because 213142043421303 - 2¹³ = 213142043413111 is a prime.

It is a super-2 number, since 2×213142043421303² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213142043411303) 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, 11631175 + ... + 23697432.

It is an arithmetic number, because the mean of its divisors is an integer number (17792900133120).

Almost surely, 2^{213142043421303} is an apocalyptic number.

213142043421303 is a deficient number, since it is larger than the sum of its proper divisors (71544358708617).

213142043421303 is a wasteful number, since it uses less digits than its factorization.

213142043421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35332126.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 213142043421303 its reverse (303124340241312), we get a palindrome (516266383662615).

The spelling of 213142043421303 in words is "two hundred thirteen trillion, one hundred forty-two billion, forty-three million, four hundred twenty-one thousand, three hundred three".