133230031213240 has 96 divisors (see below), whose sum is σ = 341684617906800. Its totient is φ = 46603541237760.

The previous prime is 133230031213177. The next prime is 133230031213247. The reversal of 133230031213240 is 42312130032331.

It is a junction number, because it is equal to n+sod(n) for n = 133230031213199 and 133230031213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230031213247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518518521 + ... + 518775400.

Almost surely, 2^{133230031213240} is an apocalyptic number.

133230031213240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133230031213240 is an abundant number, since it is smaller than the sum of its proper divisors (208454586693560).

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

133230031213240 is a wasteful number, since it uses less digits than its factorization.

133230031213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037293977 (or 1037293960 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133230031213240 its reverse (42312130032331), we get a palindrome (175542161245571).

The spelling of 133230031213240 in words is "one hundred thirty-three trillion, two hundred thirty billion, thirty-one million, two hundred thirteen thousand, two hundred forty".