131234321133 has 18 divisors (see below), whose sum is σ = 201367237994. Its totient is φ = 82343101824.

The previous prime is 131234321131. The next prime is 131234321147. The reversal of 131234321133 is 331123432131.

131234321133 is a `hidden beast` number, since 1 + 312 + 343 + 2 + 1 + 1 + 3 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 24607255689 + 106627065444 = 156867^2 + 326538^2 .

It is not a de Polignac number, because 131234321133 - 2¹ = 131234321131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131234321097 and 131234321106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234321131) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25225066 + ... + 25230267.

Almost surely, 2^131234321133 is an apocalyptic number.

It is an amenable number.

131234321133 is a deficient number, since it is larger than the sum of its proper divisors (70132916861).

131234321133 is a wasteful number, since it uses less digits than its factorization.

131234321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50455373 (or 50455353 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 131234321133 its reverse (331123432131), we get a palindrome (462357753264).

The spelling of 131234321133 in words is "one hundred thirty-one billion, two hundred thirty-four million, three hundred twenty-one thousand, one hundred thirty-three".