101631732480 has 144 divisors (see below), whose sum is σ = 360651617760. Its totient is φ = 27101786112.

The previous prime is 101631732467. The next prime is 101631732491. The reversal of 101631732480 is 84237136101.

It is a happy number.

101631732480 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 3 + 173 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 1435807 + ... + 1504926.

Almost surely, 2^101631732480 is an apocalyptic number.

101631732480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101631732480 is an abundant number, since it is smaller than the sum of its proper divisors (259019885280).

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

101631732480 is an equidigital number, since it uses as much as digits as its factorization.

101631732480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940763 (or 2940743 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 101631732480 its reverse (84237136101), we get a palindrome (185868868581).

The spelling of 101631732480 in words is "one hundred one billion, six hundred thirty-one million, seven hundred thirty-two thousand, four hundred eighty".