133043413531 has 8 divisors (see below), whose sum is σ = 152051973120. Its totient is φ = 114035443368.

The previous prime is 133043413523. The next prime is 133043413541. The reversal of 133043413531 is 135314340331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133043413531 - 2³ = 133043413523 is a prime.

It is a super-2 number, since 2×133043413531² (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 = 133043413493 and 133043413502.

It is not an unprimeable number, because it can be changed into a prime (133043413511) 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, 567600 + ... + 766978.

It is an arithmetic number, because the mean of its divisors is an integer number (19006496640).

Almost surely, 2^133043413531 is an apocalyptic number.

133043413531 is a deficient number, since it is larger than the sum of its proper divisors (19008559589).

133043413531 is an equidigital number, since it uses as much as digits as its factorization.

133043413531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294713.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 133043413531 its reverse (135314340331), we get a palindrome (268357753862).

The spelling of 133043413531 in words is "one hundred thirty-three billion, forty-three million, four hundred thirteen thousand, five hundred thirty-one".