133310231440340 has 24 divisors (see below), whose sum is σ = 296419220497512. Its totient is φ = 50187381248000.

The previous prime is 133310231440301. The next prime is 133310231440343. The reversal of 133310231440340 is 43044132013331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24479893616656 + 108830337823684 = 4947716^2 + 10432178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133310231440297 and 133310231440306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133310231440343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196044457661 + ... + 196044458340.

It is an arithmetic number, because the mean of its divisors is an integer number (12350800854063).

Almost surely, 2^{133310231440340} is an apocalyptic number.

133310231440340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133310231440340 is an abundant number, since it is smaller than the sum of its proper divisors (163108989057172).

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

133310231440340 is a wasteful number, since it uses less digits than its factorization.

133310231440340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392088916027 (or 392088916025 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 133310231440340 its reverse (43044132013331), we get a palindrome (176354363453671).

The spelling of 133310231440340 in words is "one hundred thirty-three trillion, three hundred ten billion, two hundred thirty-one million, four hundred forty thousand, three hundred forty".