231401222330 has 64 divisors (see below), whose sum is σ = 447096457728. Its totient is φ = 86004737280.

The previous prime is 231401222309. The next prime is 231401222333. The reversal of 231401222330 is 33222104132.

231401222330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 231401222296 and 231401222305.

It is not an unprimeable number, because it can be changed into a prime (231401222333) 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 31 ways as a sum of consecutive naturals, for example, 5348264 + ... + 5391356.

It is an arithmetic number, because the mean of its divisors is an integer number (6985882152).

Almost surely, 2^231401222330 is an apocalyptic number.

231401222330 is a deficient number, since it is larger than the sum of its proper divisors (215695235398).

231401222330 is a wasteful number, since it uses less digits than its factorization.

231401222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43791.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231401222330 its reverse (33222104132), we get a palindrome (264623326462).

The spelling of 231401222330 in words is "two hundred thirty-one billion, four hundred one million, two hundred twenty-two thousand, three hundred thirty".