131400321133 has 4 divisors (see below), whose sum is σ = 133627445280. Its totient is φ = 129173196988.

The previous prime is 131400321109. The next prime is 131400321139. The reversal of 131400321133 is 331123004131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331123004131 = 20149 ⋅16433719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131400321133 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 (131400321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113561985 + ... + 1113562102.

It is an arithmetic number, because the mean of its divisors is an integer number (33406861320).

Almost surely, 2^131400321133 is an apocalyptic number.

It is an amenable number.

131400321133 is a deficient number, since it is larger than the sum of its proper divisors (2227124147).

131400321133 is an equidigital number, since it uses as much as digits as its factorization.

131400321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227124146.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131400321133 its reverse (331123004131), we get a palindrome (462523325264).

The spelling of 131400321133 in words is "one hundred thirty-one billion, four hundred million, three hundred twenty-one thousand, one hundred thirty-three".