131122444009 has 8 divisors (see below), whose sum is σ = 134237695680. Its totient is φ = 128010187536.

The previous prime is 131122443973. The next prime is 131122444069. The reversal of 131122444009 is 900444221131.

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-131122444009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131122444069) 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, 660082 + ... + 835435.

It is an arithmetic number, because the mean of its divisors is an integer number (16779711960).

Almost surely, 2^131122444009 is an apocalyptic number.

It is an amenable number.

131122444009 is a deficient number, since it is larger than the sum of its proper divisors (3115251671).

131122444009 is a wasteful number, since it uses less digits than its factorization.

131122444009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497599.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 131122444009 in words is "one hundred thirty-one billion, one hundred twenty-two million, four hundred forty-four thousand, nine".