221031230032313 has 8 divisors (see below), whose sum is σ = 221926757765856. Its totient is φ = 220136908399200.

The previous prime is 221031230032307. The next prime is 221031230032369. The reversal of 221031230032313 is 313230032130122.

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

It is a cyclic number.

It is not a de Polignac number, because 221031230032313 - 2⁸ = 221031230032057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221031230032303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301157843 + ... + 301890888.

It is an arithmetic number, because the mean of its divisors is an integer number (27740844720732).

Almost surely, 2^{221031230032313} is an apocalyptic number.

It is an amenable number.

221031230032313 is a deficient number, since it is larger than the sum of its proper divisors (895527733543).

221031230032313 is a wasteful number, since it uses less digits than its factorization.

221031230032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603050215.

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

Adding to 221031230032313 its reverse (313230032130122), we get a palindrome (534261262162435).

The spelling of 221031230032313 in words is "two hundred twenty-one trillion, thirty-one billion, two hundred thirty million, thirty-two thousand, three hundred thirteen".