131035042500 has 240 divisors, whose sum is σ = 387505508544. Its totient is φ = 34448960000.

The previous prime is 131035042487. The next prime is 131035042517. The reversal of 131035042500 is 5240530131.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 193552162 + ... + 193552838.

Almost surely, 2^131035042500 is an apocalyptic number.

131035042500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131035042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193752754272).

131035042500 is an abundant number, since it is smaller than the sum of its proper divisors (256470466044).

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

131035042500 is a wasteful number, since it uses less digits than its factorization.

131035042500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 131035042500 its reverse (5240530131), we get a palindrome (136275572631).

The spelling of 131035042500 in words is "one hundred thirty-one billion, thirty-five million, forty-two thousand, five hundred".