131434450320 has 80 divisors (see below), whose sum is σ = 414126297792. Its totient is φ = 34474606080.

The previous prime is 131434450319. The next prime is 131434450333. The reversal of 131434450320 is 23054434131.

131434450320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474242 + ... + 4503521.

Almost surely, 2^131434450320 is an apocalyptic number.

131434450320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131434450320 is an abundant number, since it is smaller than the sum of its proper divisors (282691847472).

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

131434450320 is a wasteful number, since it uses less digits than its factorization.

131434450320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977840 (or 8977834 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131434450320 its reverse (23054434131), we get a palindrome (154488884451).

The spelling of 131434450320 in words is "one hundred thirty-one billion, four hundred thirty-four million, four hundred fifty thousand, three hundred twenty".