221313131031032 has 16 divisors (see below), whose sum is σ = 415150141613760. Its totient is φ = 110606426600704.

The previous prime is 221313131031017. The next prime is 221313131031059. The reversal of 221313131031032 is 230130131313122.

221313131031032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221313131030992 and 221313131031010.

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, 6267345593 + ... + 6267380904.

It is an arithmetic number, because the mean of its divisors is an integer number (25946883850860).

Almost surely, 2^{221313131031032} is an apocalyptic number.

It is an amenable number.

221313131031032 is a deficient number, since it is larger than the sum of its proper divisors (193837010582728).

221313131031032 is a wasteful number, since it uses less digits than its factorization.

221313131031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534728710 (or 12534728706 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 221313131031032 its reverse (230130131313122), we get a palindrome (451443262344154).

The spelling of 221313131031032 in words is "two hundred twenty-one trillion, three hundred thirteen billion, one hundred thirty-one million, thirty-one thousand, thirty-two".