131002232229 has 80 divisors (see below), whose sum is σ = 220585052160. Its totient is φ = 76759812000.

The previous prime is 131002232209. The next prime is 131002232281. The reversal of 131002232229 is 922232200131.

131002232229 is a `hidden beast` number, since 1 + 310 + 0 + 2 + 2 + 322 + 29 = 666.

It is not a de Polignac number, because 131002232229 - 2²⁰ = 131001183653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002232209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 43391082 + ... + 43394100.

It is an arithmetic number, because the mean of its divisors is an integer number (2757313152).

Almost surely, 2^131002232229 is an apocalyptic number.

It is an amenable number.

131002232229 is a deficient number, since it is larger than the sum of its proper divisors (89582819931).

131002232229 is a wasteful number, since it uses less digits than its factorization.

131002232229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 131002232229 in words is "one hundred thirty-one billion, two million, two hundred thirty-two thousand, two hundred twenty-nine".