131731250704 has 45 divisors (see below), whose sum is σ = 263818221231. Its totient is φ = 63719150880.

The previous prime is 131731250689. The next prime is 131731250711. The reversal of 131731250704 is 407052137131.

The square root of 131731250704 is 362948.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 131731250704.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45004089 + ... + 45007015.

Almost surely, 2^131731250704 is an apocalyptic number.

131731250704 is the 362948-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131731250704

131731250704 is an abundant number, since it is smaller than the sum of its proper divisors (132086970527).

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

131731250704 is an frugal number, since it uses more digits than its factorization.

131731250704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 131731250704 its reverse (407052137131), we get a palindrome (538783387835).

The spelling of 131731250704 in words is "one hundred thirty-one billion, seven hundred thirty-one million, two hundred fifty thousand, seven hundred four".