131440103250 has 128 divisors (see below), whose sum is σ = 330928416000. Its totient is φ = 34747200000.

The previous prime is 131440103233. The next prime is 131440103279. The reversal of 131440103250 is 52301044131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131440103250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43107726 + ... + 43110774.

It is an arithmetic number, because the mean of its divisors is an integer number (2585378250).

Almost surely, 2^131440103250 is an apocalyptic number.

131440103250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131440103250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165464208000).

131440103250 is an abundant number, since it is smaller than the sum of its proper divisors (199488312750).

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

131440103250 is a wasteful number, since it uses less digits than its factorization.

131440103250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 131440103250 its reverse (52301044131), we get a palindrome (183741147381).

The spelling of 131440103250 in words is "one hundred thirty-one billion, four hundred forty million, one hundred three thousand, two hundred fifty".