133000450031 has 8 divisors (see below), whose sum is σ = 134526238560. Its totient is φ = 131475359488.

The previous prime is 133000450027. The next prime is 133000450043. The reversal of 133000450031 is 130054000331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133000450031 - 2² = 133000450027 is a prime.

It is a super-2 number, since 2×133000450031² (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 = 133000449985 and 133000450012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000450631) 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, 213710 + ... + 558276.

It is an arithmetic number, because the mean of its divisors is an integer number (16815779820).

Almost surely, 2^133000450031 is an apocalyptic number.

133000450031 is a deficient number, since it is larger than the sum of its proper divisors (1525788529).

133000450031 is an equidigital number, since it uses as much as digits as its factorization.

133000450031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348993.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 133000450031 its reverse (130054000331), we get a palindrome (263054450362).

The spelling of 133000450031 in words is "one hundred thirty-three billion, four hundred fifty thousand, thirty-one".