131022929 has 8 divisors (see below), whose sum is σ = 132300000. Its totient is φ = 129750912.

The previous prime is 131022919. The next prime is 131022959. The reversal of 131022929 is 929220131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131022929 - 2²⁰ = 129974353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131022919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68417 + ... + 70305.

It is an arithmetic number, because the mean of its divisors is an integer number (16537500).

Almost surely, 2^131022929 is an apocalyptic number.

It is an amenable number.

131022929 is a deficient number, since it is larger than the sum of its proper divisors (1277071).

131022929 is a wasteful number, since it uses less digits than its factorization.

131022929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 131022929 is about 11446.5247564490. The cubic root of 131022929 is about 507.9049373135.

The spelling of 131022929 in words is "one hundred thirty-one million, twenty-two thousand, nine hundred twenty-nine".