131405320110115 has 8 divisors (see below), whose sum is σ = 160661598927408. Its totient is φ = 103140779557920.

The previous prime is 131405320109981. The next prime is 131405320110149. The reversal of 131405320110115 is 511011023504131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131405320110115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247934565981 + ... + 247934566510.

It is an arithmetic number, because the mean of its divisors is an integer number (20082699865926).

Almost surely, 2^{131405320110115} is an apocalyptic number.

131405320110115 is a deficient number, since it is larger than the sum of its proper divisors (29256278817293).

131405320110115 is an equidigital number, since it uses as much as digits as its factorization.

131405320110115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495869132549.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 131405320110115 its reverse (511011023504131), we get a palindrome (642416343614246).

The spelling of 131405320110115 in words is "one hundred thirty-one trillion, four hundred five billion, three hundred twenty million, one hundred ten thousand, one hundred fifteen".