133131322031 has 8 divisors (see below), whose sum is σ = 133812192720. Its totient is φ = 132452079552.

The previous prime is 133131322013. The next prime is 133131322033. The reversal of 133131322031 is 130223131331.

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 133131322031 - 2²⁶ = 133064213167 is a prime.

It is a super-2 number, since 2×133131322031² (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 = 133131321988 and 133131322006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131322033) 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, 242936 + ... + 570333.

It is an arithmetic number, because the mean of its divisors is an integer number (16726524090).

Almost surely, 2^133131322031 is an apocalyptic number.

133131322031 is a deficient number, since it is larger than the sum of its proper divisors (680870689).

133131322031 is an equidigital number, since it uses as much as digits as its factorization.

133131322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814105.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133131322031 its reverse (130223131331), we get a palindrome (263354453362).

The spelling of 133131322031 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred twenty-two thousand, thirty-one".