131701521448 has 48 divisors (see below), whose sum is σ = 287289695700. Its totient is φ = 56437113600.

The previous prime is 131701521433. The next prime is 131701521473. The reversal of 131701521448 is 844125107131.

It can be written as a sum of positive squares in 2 ways, for example, as 102990930084 + 28710591364 = 320922^2 + 169442^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5437108 + ... + 5461276.

Almost surely, 2^131701521448 is an apocalyptic number.

It is an amenable number.

131701521448 is an abundant number, since it is smaller than the sum of its proper divisors (155588174252).

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

131701521448 is a wasteful number, since it uses less digits than its factorization.

131701521448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38090 (or 38079 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 131701521448 its reverse (844125107131), we get a palindrome (975826628579).

The spelling of 131701521448 in words is "one hundred thirty-one billion, seven hundred one million, five hundred twenty-one thousand, four hundred forty-eight".