131593499834 has 4 divisors (see below), whose sum is σ = 197390249754. Its totient is φ = 65796749916.

The previous prime is 131593499833. The next prime is 131593499899. The reversal of 131593499834 is 438994395131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438994395131 = 761 ⋅576865171.

It can be written as a sum of positive squares in only one way, i.e., 100138703809 + 31454796025 = 316447^2 + 177355^2 .

It is not an unprimeable number, because it can be changed into a prime (131593499833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32898374957 + ... + 32898374960.

Almost surely, 2^131593499834 is an apocalyptic number.

131593499834 is a deficient number, since it is larger than the sum of its proper divisors (65796749920).

131593499834 is an equidigital number, since it uses as much as digits as its factorization.

131593499834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65796749919.

The product of its digits is 12597120, while the sum is 59.

The spelling of 131593499834 in words is "one hundred thirty-one billion, five hundred ninety-three million, four hundred ninety-nine thousand, eight hundred thirty-four".