131194194306 has 16 divisors (see below), whose sum is σ = 299872444224. Its totient is φ = 37484055504.

The previous prime is 131194194293. The next prime is 131194194311. The reversal of 131194194306 is 603491491131.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3123671293 = 131194194306 / (1 + 3 + 1 + 1 + 9 + 4 + 1 + 9 + 4 + 3 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561835605 + ... + 1561835688.

It is an arithmetic number, because the mean of its divisors is an integer number (18742027764).

Almost surely, 2^131194194306 is an apocalyptic number.

131194194306 is an abundant number, since it is smaller than the sum of its proper divisors (168678249918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131194194306 is a wasteful number, since it uses less digits than its factorization.

131194194306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123671305.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 131194194306 in words is "one hundred thirty-one billion, one hundred ninety-four million, one hundred ninety-four thousand, three hundred six".