221031124314 has 128 divisors (see below), whose sum is σ = 628452421632. Its totient is φ = 49877130240.

The previous prime is 221031124291. The next prime is 221031124319. The reversal of 221031124314 is 413421130122.

It is not an unprimeable number, because it can be changed into a prime (221031124319) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 980302 + ... + 1184505.

It is an arithmetic number, because the mean of its divisors is an integer number (4909784544).

Almost surely, 2^221031124314 is an apocalyptic number.

221031124314 is an abundant number, since it is smaller than the sum of its proper divisors (407421297318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221031124314 is a wasteful number, since it uses less digits than its factorization.

221031124314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164860.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221031124314 its reverse (413421130122), we get a palindrome (634452254436).

The spelling of 221031124314 in words is "two hundred twenty-one billion, thirty-one million, one hundred twenty-four thousand, three hundred fourteen".