131332320989 has 8 divisors (see below), whose sum is σ = 134393658432. Its totient is φ = 128271306240.

The previous prime is 131332320949. The next prime is 131332320991. The reversal of 131332320989 is 989023233131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131332320989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332320949) 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, 872477 + ... + 1011869.

It is an arithmetic number, because the mean of its divisors is an integer number (16799207304).

Almost surely, 2^131332320989 is an apocalyptic number.

It is an amenable number.

131332320989 is a deficient number, since it is larger than the sum of its proper divisors (3061337443).

131332320989 is a wasteful number, since it uses less digits than its factorization.

131332320989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161347.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 131332320989 in words is "one hundred thirty-one billion, three hundred thirty-two million, three hundred twenty thousand, nine hundred eighty-nine".