131302222033 has 4 divisors (see below), whose sum is σ = 131304972708. Its totient is φ = 131299471360.

The previous prime is 131302222027. The next prime is 131302222087. The reversal of 131302222033 is 330222203131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40732523329 + 90569698704 = 201823^2 + 300948^2 .

It is a cyclic number.

It is not a de Polignac number, because 131302222033 - 2⁹ = 131302221521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131302221995 and 131302222013.

It is not an unprimeable number, because it can be changed into a prime (131302222333) 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, 1302448 + ... + 1399633.

It is an arithmetic number, because the mean of its divisors is an integer number (32826243177).

Almost surely, 2^131302222033 is an apocalyptic number.

It is an amenable number.

131302222033 is a deficient number, since it is larger than the sum of its proper divisors (2750675).

131302222033 is an equidigital number, since it uses as much as digits as its factorization.

131302222033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750674.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 131302222033 its reverse (330222203131), we get a palindrome (461524425164).

The spelling of 131302222033 in words is "one hundred thirty-one billion, three hundred two million, two hundred twenty-two thousand, thirty-three".