231222222313000 has 128 divisors (see below), whose sum is σ = 542315966400000. Its totient is φ = 92274311635200.

The previous prime is 231222222312997. The next prime is 231222222313081. The reversal of 231222222313000 is 313222222132.

231222222313000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×231222222313000³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611199249 + ... + 1611342751.

It is an arithmetic number, because the mean of its divisors is an integer number (4236843487500).

Almost surely, 2^{231222222313000} is an apocalyptic number.

231222222313000 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 231222222313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271157983200000).

231222222313000 is an abundant number, since it is smaller than the sum of its proper divisors (311093744087000).

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

231222222313000 is a wasteful number, since it uses less digits than its factorization.

231222222313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147252 (or 147238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 231222222313000 its reverse (313222222132), we get a palindrome (231535444535132).

The spelling of 231222222313000 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, two hundred twenty-two million, three hundred thirteen thousand".