221440140313 has 24 divisors (see below), whose sum is σ = 271418450400. Its totient is φ = 179638820928.

The previous prime is 221440140283. The next prime is 221440140367. The reversal of 221440140313 is 313041044122.

221440140313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221440140313 - 2⁵ = 221440140281 is a prime.

It is a super-2 number, since 2×221440140313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221440140373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831981 + ... + 1065397.

It is an arithmetic number, because the mean of its divisors is an integer number (11309102100).

Almost surely, 2^221440140313 is an apocalyptic number.

It is an amenable number.

221440140313 is a deficient number, since it is larger than the sum of its proper divisors (49978310087).

221440140313 is a wasteful number, since it uses less digits than its factorization.

221440140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234469 (or 234462 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221440140313 its reverse (313041044122), we get a palindrome (534481184435).

The spelling of 221440140313 in words is "two hundred twenty-one billion, four hundred forty million, one hundred forty thousand, three hundred thirteen".