131373501144 has 32 divisors (see below), whose sum is σ = 328646699520. Its totient is φ = 43762774176.

The previous prime is 131373501137. The next prime is 131373501173. The reversal of 131373501144 is 441105373131.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1736752 + ... + 1810815.

It is an arithmetic number, because the mean of its divisors is an integer number (10270209360).

Almost surely, 2^131373501144 is an apocalyptic number.

It is an amenable number.

131373501144 is an abundant number, since it is smaller than the sum of its proper divisors (197273198376).

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

131373501144 is a wasteful number, since it uses less digits than its factorization.

131373501144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549119 (or 3549115 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 131373501144 its reverse (441105373131), we get a palindrome (572478874275).

The spelling of 131373501144 in words is "one hundred thirty-one billion, three hundred seventy-three million, five hundred one thousand, one hundred forty-four".