131203240704 has 108 divisors (see below), whose sum is σ = 381762581200. Its totient is φ = 43333097472.

The previous prime is 131203240697. The next prime is 131203240733. The reversal of 131203240704 is 407042302131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10084 + ... + 512355.

Almost surely, 2^131203240704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131203240704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190881290600).

131203240704 is an abundant number, since it is smaller than the sum of its proper divisors (250559340496).

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

131203240704 is a wasteful number, since it uses less digits than its factorization.

131203240704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522570 (or 522553 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 131203240704 its reverse (407042302131), we get a palindrome (538245542835).

The spelling of 131203240704 in words is "one hundred thirty-one billion, two hundred three million, two hundred forty thousand, seven hundred four".