213311221430 has 8 divisors (see below), whose sum is σ = 383960198592. Its totient is φ = 85324488568.

The previous prime is 213311221393. The next prime is 213311221451. The reversal of 213311221430 is 34122113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213311221396 and 213311221405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665561062 + ... + 10665561081.

It is an arithmetic number, because the mean of its divisors is an integer number (47995024824).

Almost surely, 2^213311221430 is an apocalyptic number.

213311221430 is a deficient number, since it is larger than the sum of its proper divisors (170648977162).

213311221430 is a wasteful number, since it uses less digits than its factorization.

213311221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331122150.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213311221430 its reverse (34122113312), we get a palindrome (247433334742).

The spelling of 213311221430 in words is "two hundred thirteen billion, three hundred eleven million, two hundred twenty-one thousand, four hundred thirty".