133031231120 has 40 divisors (see below), whose sum is σ = 309328683840. Its totient is φ = 53207146880.

The previous prime is 133031231083. The next prime is 133031231131. The reversal of 133031231120 is 21132130331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 133031231092 and 133031231101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772271 + ... + 928689.

It is an arithmetic number, because the mean of its divisors is an integer number (7733217096).

Almost surely, 2^133031231120 is an apocalyptic number.

133031231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133031231120 is an abundant number, since it is smaller than the sum of its proper divisors (176297452720).

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

133031231120 is a wasteful number, since it uses less digits than its factorization.

133031231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167063 (or 167057 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133031231120 its reverse (21132130331), we get a palindrome (154163361451).

The spelling of 133031231120 in words is "one hundred thirty-three billion, thirty-one million, two hundred thirty-one thousand, one hundred twenty".