131404315243450 has 24 divisors (see below), whose sum is σ = 244663738107840. Its totient is φ = 52507594537200.

The previous prime is 131404315243447. The next prime is 131404315243457. The reversal of 131404315243450 is 54342513404131.

It is not an unprimeable number, because it can be changed into a prime (131404315243457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353239970 + ... + 1353337069.

It is an arithmetic number, because the mean of its divisors is an integer number (10194322421160).

Almost surely, 2^{131404315243450} is an apocalyptic number.

131404315243450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131404315243450 is a deficient number, since it is larger than the sum of its proper divisors (113259422864390).

131404315243450 is a wasteful number, since it uses less digits than its factorization.

131404315243450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706578022 (or 2706578017 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 131404315243450 its reverse (54342513404131), we get a palindrome (185746828647581).

The spelling of 131404315243450 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifteen million, two hundred forty-three thousand, four hundred fifty".