230721422331 has 8 divisors (see below), whose sum is σ = 307632547600. Its totient is φ = 153812289312.

The previous prime is 230721422291. The next prime is 230721422357. The reversal of 230721422331 is 133224127032.

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

It is not a de Polignac number, because 230721422331 - 2⁷ = 230721422203 is a prime.

It is a super-2 number, since 2×230721422331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230721422131) 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, 202840 + ... + 708933.

It is an arithmetic number, because the mean of its divisors is an integer number (38454068450).

Almost surely, 2^230721422331 is an apocalyptic number.

230721422331 is a deficient number, since it is larger than the sum of its proper divisors (76911125269).

230721422331 is an equidigital number, since it uses as much as digits as its factorization.

230721422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996125.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 230721422331 its reverse (133224127032), we get a palindrome (363945549363).

The spelling of 230721422331 in words is "two hundred thirty billion, seven hundred twenty-one million, four hundred twenty-two thousand, three hundred thirty-one".