231220210030322 has 16 divisors (see below), whose sum is σ = 380957783117760. Its totient is φ = 104763390356592.

The previous prime is 231220210030279. The next prime is 231220210030331. The reversal of 231220210030322 is 223030012022132.

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

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, 132277007153 + ... + 132277008900.

It is an arithmetic number, because the mean of its divisors is an integer number (23809861444860).

Almost surely, 2^{231220210030322} is an apocalyptic number.

231220210030322 is a deficient number, since it is larger than the sum of its proper divisors (149737573087438).

231220210030322 is a wasteful number, since it uses less digits than its factorization.

231220210030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264554016097.

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

Adding to 231220210030322 its reverse (223030012022132), we get a palindrome (454250222052454).

The spelling of 231220210030322 in words is "two hundred thirty-one trillion, two hundred twenty billion, two hundred ten million, thirty thousand, three hundred twenty-two".