231330201322 has 16 divisors (see below), whose sum is σ = 378548218944. Its totient is φ = 105147900000.

The previous prime is 231330201301. The next prime is 231330201331. The reversal of 231330201322 is 223102033132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231330201293 and 231330201302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486822 + ... + 1635022.

It is an arithmetic number, because the mean of its divisors is an integer number (23659263684).

Almost surely, 2^231330201322 is an apocalyptic number.

231330201322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231330201322 is a deficient number, since it is larger than the sum of its proper divisors (147218017622).

231330201322 is a wasteful number, since it uses less digits than its factorization.

231330201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219165.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231330201322 its reverse (223102033132), we get a palindrome (454432234454).

The spelling of 231330201322 in words is "two hundred thirty-one billion, three hundred thirty million, two hundred one thousand, three hundred twenty-two".