231022323133030 has 96 divisors (see below), whose sum is σ = 520119315328608. Its totient is φ = 72984427776000.

The previous prime is 231022323133003. The next prime is 231022323133057. The reversal of 231022323133030 is 30331323220132.

It is an interprime number because it is at equal distance from previous prime (231022323133003) and next prime (231022323133057).

It is a self number, because there is not a number n which added to its sum of digits gives 231022323133030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365190921 + ... + 365822980.

It is an arithmetic number, because the mean of its divisors is an integer number (5417909534673).

Almost surely, 2^{231022323133030} is an apocalyptic number.

231022323133030 is an abundant number, since it is smaller than the sum of its proper divisors (289096992195578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231022323133030 is a wasteful number, since it uses less digits than its factorization.

231022323133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731013962 (or 731013949 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231022323133030 its reverse (30331323220132), we get a palindrome (261353646353162).

The spelling of 231022323133030 in words is "two hundred thirty-one trillion, twenty-two billion, three hundred twenty-three million, one hundred thirty-three thousand, thirty".