131203020432409 has 16 divisors (see below), whose sum is σ = 132541095614400. Its totient is φ = 129868102780416.

The previous prime is 131203020432391. The next prime is 131203020432493. The reversal of 131203020432409 is 904234020302131.

It is a cyclic number.

It is not a de Polignac number, because 131203020432409 - 2¹⁵ = 131203020399641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203020432709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576367117 + ... + 576594709.

It is an arithmetic number, because the mean of its divisors is an integer number (8283818475900).

Almost surely, 2^{131203020432409} is an apocalyptic number.

It is an amenable number.

131203020432409 is a deficient number, since it is larger than the sum of its proper divisors (1338075181991).

131203020432409 is a wasteful number, since it uses less digits than its factorization.

131203020432409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234504.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 131203020432409 in words is "one hundred thirty-one trillion, two hundred three billion, twenty million, four hundred thirty-two thousand, four hundred nine".