131322100333 has 4 divisors (see below), whose sum is σ = 131517230428. Its totient is φ = 131126970240.

The previous prime is 131322100321. The next prime is 131322100339. The reversal of 131322100333 is 333001223131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333001223131 = 17 ⋅19588307243.

It can be written as a sum of positive squares in 2 ways, for example, as 19711317609 + 111610782724 = 140397^2 + 334082^2 .

It is a cyclic number.

It is not a de Polignac number, because 131322100333 - 2²¹ = 131320003181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322100339) 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, 97564038 + ... + 97565383.

It is an arithmetic number, because the mean of its divisors is an integer number (32879307607).

Almost surely, 2^131322100333 is an apocalyptic number.

It is an amenable number.

131322100333 is a deficient number, since it is larger than the sum of its proper divisors (195130095).

131322100333 is an equidigital number, since it uses as much as digits as its factorization.

131322100333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195130094.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131322100333 its reverse (333001223131), we get a palindrome (464323323464).

The spelling of 131322100333 in words is "one hundred thirty-one billion, three hundred twenty-two million, one hundred thousand, three hundred thirty-three".