231110130312 has 128 divisors (see below), whose sum is σ = 653001552000. Its totient is φ = 75724243200.

The previous prime is 231110130287. The next prime is 231110130313. The reversal of 231110130312 is 213031011132.

231110130312 is a `hidden beast` number, since 2 + 311 + 10 + 1 + 30 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (231110130313) 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, 2994318 + ... + 3070530.

It is an arithmetic number, because the mean of its divisors is an integer number (5101574625).

Almost surely, 2^231110130312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231110130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326500776000).

231110130312 is an abundant number, since it is smaller than the sum of its proper divisors (421891421688).

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

231110130312 is a wasteful number, since it uses less digits than its factorization.

231110130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76468 (or 76458 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231110130312 its reverse (213031011132), we get a palindrome (444141141444).

The spelling of 231110130312 in words is "two hundred thirty-one billion, one hundred ten million, one hundred thirty thousand, three hundred twelve".