131030021133 has 24 divisors (see below), whose sum is σ = 206495243136. Its totient is φ = 79403020800.

The previous prime is 131030021131. The next prime is 131030021141. The reversal of 131030021133 is 331120030131.

It is a happy number.

131030021133 is a `hidden beast` number, since 1 + 310 + 300 + 21 + 1 + 33 = 666.

It is not a de Polignac number, because 131030021133 - 2¹ = 131030021131 is a prime.

It is a super-2 number, since 2×131030021133² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030021131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847516 + ... + 990122.

It is an arithmetic number, because the mean of its divisors is an integer number (8603968464).

Almost surely, 2^131030021133 is an apocalyptic number.

It is an amenable number.

131030021133 is a deficient number, since it is larger than the sum of its proper divisors (75465222003).

131030021133 is a wasteful number, since it uses less digits than its factorization.

131030021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151905 (or 151902 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131030021133 its reverse (331120030131), we get a palindrome (462150051264).

The spelling of 131030021133 in words is "one hundred thirty-one billion, thirty million, twenty-one thousand, one hundred thirty-three".