231321112010030 has 64 divisors (see below), whose sum is σ = 496801842905088. Its totient is φ = 75823379491200.

The previous prime is 231321112009997. The next prime is 231321112010039. The reversal of 231321112010030 is 30010211123132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231321112009984 and 231321112010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231321112010039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33234446 + ... + 39587505.

It is an arithmetic number, because the mean of its divisors is an integer number (7762528795392).

Almost surely, 2^{231321112010030} is an apocalyptic number.

231321112010030 is an abundant number, since it is smaller than the sum of its proper divisors (265480730895058).

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

231321112010030 is a wasteful number, since it uses less digits than its factorization.

231321112010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72823961.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231321112010030 its reverse (30010211123132), we get a palindrome (261331323133162).

The spelling of 231321112010030 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, one hundred twelve million, ten thousand, thirty".