133320550031 has 4 divisors (see below), whose sum is σ = 133321314192. Its totient is φ = 133319785872.

The previous prime is 133320549961. The next prime is 133320550039. The reversal of 133320550031 is 130055023331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130055023331 = 128831 ⋅1009501.

It is a cyclic number.

It is not a de Polignac number, because 133320550031 - 2²² = 133316355727 is a prime.

It is a super-2 number, since 2×133320550031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320550039) 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, 22235 + ... + 516851.

It is an arithmetic number, because the mean of its divisors is an integer number (33330328548).

Almost surely, 2^133320550031 is an apocalyptic number.

133320550031 is a deficient number, since it is larger than the sum of its proper divisors (764161).

133320550031 is an equidigital number, since it uses as much as digits as its factorization.

133320550031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764160.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 133320550031 its reverse (130055023331), we get a palindrome (263375573362).

The spelling of 133320550031 in words is "one hundred thirty-three billion, three hundred twenty million, five hundred fifty thousand, thirty-one".