131232342133 has 12 divisors (see below), whose sum is σ = 135946540548. Its totient is φ = 126676417280.

The previous prime is 131232342107. The next prime is 131232342139. The reversal of 131232342133 is 331243232131.

It can be written as a sum of positive squares in 6 ways, for example, as 6963401809 + 124268940324 = 83447^2 + 352518^2 .

It is not a de Polignac number, because 131232342133 - 2⁹ = 131232341621 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 (131232342139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3953835 + ... + 3986887.

It is an arithmetic number, because the mean of its divisors is an integer number (11328878379).

Almost surely, 2^131232342133 is an apocalyptic number.

It is an amenable number.

131232342133 is a deficient number, since it is larger than the sum of its proper divisors (4714198415).

131232342133 is an equidigital number, since it uses as much as digits as its factorization.

131232342133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37832 (or 37803 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 131232342133 its reverse (331243232131), we get a palindrome (462475574264).

The spelling of 131232342133 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred forty-two thousand, one hundred thirty-three".