131130021329 has 8 divisors (see below), whose sum is σ = 131292790272. Its totient is φ = 130967352640.

The previous prime is 131130021301. The next prime is 131130021367. The reversal of 131130021329 is 923120031131.

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 131130021329 - 2¹² = 131130017233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131130021298 and 131130021307.

It is not an unprimeable number, because it can be changed into a prime (131130021929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2784392 + ... + 2831094.

It is an arithmetic number, because the mean of its divisors is an integer number (16411598784).

Almost surely, 2^131130021329 is an apocalyptic number.

It is an amenable number.

131130021329 is a deficient number, since it is larger than the sum of its proper divisors (162768943).

131130021329 is a wasteful number, since it uses less digits than its factorization.

131130021329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50127.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 131130021329 in words is "one hundred thirty-one billion, one hundred thirty million, twenty-one thousand, three hundred twenty-nine".