133120003231 has 4 divisors (see below), whose sum is σ = 137710348200. Its totient is φ = 128529658264.

The previous prime is 133120003223. The next prime is 133120003241. The reversal of 133120003231 is 132300021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132300021331 = 347 ⋅381268073.

It is a cyclic number.

It is not a de Polignac number, because 133120003231 - 2³ = 133120003223 is a prime.

It is a super-2 number, since 2×133120003231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133120003199 and 133120003208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120003241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295172441 + ... + 2295172498.

It is an arithmetic number, because the mean of its divisors is an integer number (34427587050).

Almost surely, 2^133120003231 is an apocalyptic number.

133120003231 is a deficient number, since it is larger than the sum of its proper divisors (4590344969).

133120003231 is an equidigital number, since it uses as much as digits as its factorization.

133120003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590344968.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133120003231 its reverse (132300021331), we get a palindrome (265420024562).

The spelling of 133120003231 in words is "one hundred thirty-three billion, one hundred twenty million, three thousand, two hundred thirty-one".