231022031130000 has 1200 divisors, whose sum is σ = 932623896821760. Its totient is φ = 52779081600000.

The previous prime is 231022031129951. The next prime is 231022031130017. The reversal of 231022031130000 is 31130220132.

231022031130000 is a `hidden beast` number, since 2 + 31 + 0 + 2 + 20 + 311 + 300 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

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

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 3592677849 + ... + 3592742151.

Almost surely, 2^{231022031130000} is an apocalyptic number.

231022031130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231022031130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466311948410880).

231022031130000 is an abundant number, since it is smaller than the sum of its proper divisors (701601865691760).

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

231022031130000 is a wasteful number, since it uses less digits than its factorization.

231022031130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64558 (or 64534 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231022031130000 its reverse (31130220132), we get a palindrome (231053161350132).

The spelling of 231022031130000 in words is "two hundred thirty-one trillion, twenty-two billion, thirty-one million, one hundred thirty thousand".