133055305450531 has 4 divisors (see below), whose sum is σ = 133056411315064. Its totient is φ = 133054199586000.

The previous prime is 133055305450523. The next prime is 133055305450559. The reversal of 133055305450531 is 135054503550331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133055305450531 - 2³ = 133055305450523 is a prime.

It is a super-2 number, since 2×133055305450531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133055305450631) 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, 552751770 + ... + 552992431.

It is an arithmetic number, because the mean of its divisors is an integer number (33264102828766).

Almost surely, 2^{133055305450531} is an apocalyptic number.

133055305450531 is a deficient number, since it is larger than the sum of its proper divisors (1105864533).

133055305450531 is a wasteful number, since it uses less digits than its factorization.

133055305450531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105864532.

The product of its (nonzero) digits is 1012500, while the sum is 43.

The spelling of 133055305450531 in words is "one hundred thirty-three trillion, fifty-five billion, three hundred five million, four hundred fifty thousand, five hundred thirty-one".