131020232994 has 96 divisors (see below), whose sum is σ = 338806540800. Its totient is φ = 37421667360.

The previous prime is 131020232983. The next prime is 131020233007. The reversal of 131020232994 is 499232020131.

131020232994 is a `hidden beast` number, since 1 + 310 + 20 + 232 + 9 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10103887 + ... + 10116845.

It is an arithmetic number, because the mean of its divisors is an integer number (3529234800).

Almost surely, 2^131020232994 is an apocalyptic number.

131020232994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131020232994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169403270400).

131020232994 is an abundant number, since it is smaller than the sum of its proper divisors (207786307806).

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

131020232994 is a wasteful number, since it uses less digits than its factorization.

131020232994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16805 (or 16792 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 131020232994 in words is "one hundred thirty-one billion, twenty million, two hundred thirty-two thousand, nine hundred ninety-four".