213430324303 has 32 divisors (see below), whose sum is σ = 263256293376. Its totient is φ = 168856816128.

The previous prime is 213430324277. The next prime is 213430324307. The reversal of 213430324303 is 303423034312.

It is a happy number.

It is not a de Polignac number, because 213430324303 - 2⁹ = 213430323791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213430324307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17924850 + ... + 17936752.

It is an arithmetic number, because the mean of its divisors is an integer number (8226759168).

Almost surely, 2^213430324303 is an apocalyptic number.

213430324303 is a deficient number, since it is larger than the sum of its proper divisors (49825969073).

213430324303 is a wasteful number, since it uses less digits than its factorization.

213430324303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 213430324303 its reverse (303423034312), we get a palindrome (516853358615).

The spelling of 213430324303 in words is "two hundred thirteen billion, four hundred thirty million, three hundred twenty-four thousand, three hundred three".