131023013229 has 6 divisors (see below), whose sum is σ = 189255463566. Its totient is φ = 87348675480.

The previous prime is 131023013201. The next prime is 131023013249. The reversal of 131023013229 is 922310320131.

131023013229 is a `hidden beast` number, since 1 + 31 + 0 + 2 + 301 + 322 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123222060900 + 7800952329 = 351030^2 + 88323^2 .

It is not a de Polignac number, because 131023013229 - 2⁸ = 131023012973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023013249) 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 5 ways as a sum of consecutive naturals, for example, 7279056282 + ... + 7279056299.

It is an arithmetic number, because the mean of its divisors is an integer number (31542577261).

Almost surely, 2^131023013229 is an apocalyptic number.

It is an amenable number.

131023013229 is a deficient number, since it is larger than the sum of its proper divisors (58232450337).

131023013229 is a wasteful number, since it uses less digits than its factorization.

131023013229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14558112587 (or 14558112584 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 131023013229 in words is "one hundred thirty-one billion, twenty-three million, thirteen thousand, two hundred twenty-nine".