221032312331030 has 32 divisors (see below), whose sum is σ = 418816661218560. Its totient is φ = 83755893944160.

The previous prime is 221032312331009. The next prime is 221032312331053. The reversal of 221032312331030 is 30133213230122.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21535274 + ... + 30097053.

It is an arithmetic number, because the mean of its divisors is an integer number (13088020663080).

Almost surely, 2^{221032312331030} is an apocalyptic number.

221032312331030 is a deficient number, since it is larger than the sum of its proper divisors (197784348887530).

221032312331030 is a wasteful number, since it uses less digits than its factorization.

221032312331030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654884.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 221032312331030 its reverse (30133213230122), we get a palindrome (251165525561152).

The spelling of 221032312331030 in words is "two hundred twenty-one trillion, thirty-two billion, three hundred twelve million, three hundred thirty-one thousand, thirty".