133386224531 has 4 divisors (see below), whose sum is σ = 152441399472. Its totient is φ = 114331049592.

The previous prime is 133386224467. The next prime is 133386224537. The reversal of 133386224531 is 135422683331.

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 133386224531 - 2⁶ = 133386224467 is a prime.

It is a super-2 number, since 2×133386224531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133386224537) 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, 9527587460 + ... + 9527587473.

It is an arithmetic number, because the mean of its divisors is an integer number (38110349868).

Almost surely, 2^133386224531 is an apocalyptic number.

133386224531 is a deficient number, since it is larger than the sum of its proper divisors (19055174941).

133386224531 is an equidigital number, since it uses as much as digits as its factorization.

133386224531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055174940.

The product of its digits is 311040, while the sum is 41.

The spelling of 133386224531 in words is "one hundred thirty-three billion, three hundred eighty-six million, two hundred twenty-four thousand, five hundred thirty-one".