131444254316 has 24 divisors (see below), whose sum is σ = 237462736896. Its totient is φ = 63598026960.

The previous prime is 131444254259. The next prime is 131444254321. The reversal of 131444254316 is 613452444131.

It is a self number, because there is not a number n which added to its sum of digits gives 131444254316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117125 + ... + 3159011.

It is an arithmetic number, because the mean of its divisors is an integer number (9894280704).

Almost surely, 2^131444254316 is an apocalyptic number.

It is an amenable number.

131444254316 is a deficient number, since it is larger than the sum of its proper divisors (106018482580).

131444254316 is a wasteful number, since it uses less digits than its factorization.

131444254316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67229 (or 67227 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

Adding to 131444254316 its reverse (613452444131), we get a palindrome (744896698447).

The spelling of 131444254316 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred fifty-four thousand, three hundred sixteen".