213430424530 has 16 divisors (see below), whose sum is σ = 384236158680. Its totient is φ = 85358526592.

The previous prime is 213430424527. The next prime is 213430424531. The reversal of 213430424530 is 35424034312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119832976561 + 93597447969 = 346169^2 + 305937^2 .

It is a super-2 number, since 2×213430424530² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213430424492 and 213430424501.

It is not an unprimeable number, because it can be changed into a prime (213430424531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639579 + ... + 1764958.

Almost surely, 2^213430424530 is an apocalyptic number.

213430424530 is a deficient number, since it is larger than the sum of its proper divisors (170805734150).

213430424530 is a wasteful number, since it uses less digits than its factorization.

213430424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410813.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 213430424530 its reverse (35424034312), we get a palindrome (248854458842).

The spelling of 213430424530 in words is "two hundred thirteen billion, four hundred thirty million, four hundred twenty-four thousand, five hundred thirty".