131423318385 has 16 divisors (see below), whose sum is σ = 217528251840. Its totient is φ = 67675455680.

The previous prime is 131423318371. The next prime is 131423318461. The reversal of 131423318385 is 583813324131.

It is not a de Polignac number, because 131423318385 - 2⁶ = 131423318321 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151060851 + ... + 151061720.

It is an arithmetic number, because the mean of its divisors is an integer number (13595515740).

Almost surely, 2^131423318385 is an apocalyptic number.

131423318385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131423318385 is a deficient number, since it is larger than the sum of its proper divisors (86104933455).

131423318385 is a wasteful number, since it uses less digits than its factorization.

131423318385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302122608.

The product of its digits is 207360, while the sum is 42.

The spelling of 131423318385 in words is "one hundred thirty-one billion, four hundred twenty-three million, three hundred eighteen thousand, three hundred eighty-five".