131905843430 has 16 divisors (see below), whose sum is σ = 237634692624. Its totient is φ = 52716965280.

The previous prime is 131905843367. The next prime is 131905843463. The reversal of 131905843430 is 34348509131.

It is a congruent number.

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, 5659301 + ... + 5682560.

It is an arithmetic number, because the mean of its divisors is an integer number (14852168289).

Almost surely, 2^131905843430 is an apocalyptic number.

131905843430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131905843430 is a deficient number, since it is larger than the sum of its proper divisors (105728849194).

131905843430 is a wasteful number, since it uses less digits than its factorization.

131905843430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343031.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 131905843430 in words is "one hundred thirty-one billion, nine hundred five million, eight hundred forty-three thousand, four hundred thirty".