133101331031 has 4 divisors (see below), whose sum is σ = 133117953864. Its totient is φ = 133084708200.

The previous prime is 133101330961. The next prime is 133101331067. The reversal of 133101331031 is 130133101331.

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 133101331031 - 2¹⁰ = 133101330007 is a prime.

It is a super-2 number, since 2×133101331031² (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 = 133101330994 and 133101331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101331091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8299400 + ... + 8315421.

It is an arithmetic number, because the mean of its divisors is an integer number (33279488466).

Almost surely, 2^133101331031 is an apocalyptic number.

133101331031 is a deficient number, since it is larger than the sum of its proper divisors (16622833).

133101331031 is an equidigital number, since it uses as much as digits as its factorization.

133101331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16622832.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 133101331031 its reverse (130133101331), we get a palindrome (263234432362).

The spelling of 133101331031 in words is "one hundred thirty-three billion, one hundred one million, three hundred thirty-one thousand, thirty-one".