231441310000 has 100 divisors (see below), whose sum is σ = 574010464104. Its totient is φ = 90318400000.

The previous prime is 231441309949. The next prime is 231441310007. The reversal of 231441310000 is 13144132.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×231441310000² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231441310000.

It is not an unprimeable number, because it can be changed into a prime (231441310007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127755 + ... + 692245.

Almost surely, 2^231441310000 is an apocalyptic number.

231441310000 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 231441310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287005232052).

231441310000 is an abundant number, since it is smaller than the sum of its proper divisors (342569154104).

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

231441310000 is an equidigital number, since it uses as much as digits as its factorization.

231441310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564560 (or 564539 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231441310000 its reverse (13144132), we get a palindrome (231454454132).

The spelling of 231441310000 in words is "two hundred thirty-one billion, four hundred forty-one million, three hundred ten thousand".