101531210752 has 22 divisors (see below), whose sum is σ = 202963271978. Its totient is φ = 50765604864.

The previous prime is 101531210623. The next prime is 101531210777. The reversal of 101531210752 is 257012135101.

101531210752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 89846465536 + 11684745216 = 299744^2 + 108096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101531210752.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 49574763 + ... + 49576810.

Almost surely, 2^101531210752 is an apocalyptic number.

It is an amenable number.

101531210752 is a deficient number, since it is larger than the sum of its proper divisors (101432061226).

101531210752 is an frugal number, since it uses more digits than its factorization.

101531210752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99151593 (or 99151575 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 101531210752 its reverse (257012135101), we get a palindrome (358543345853).

The spelling of 101531210752 in words is "one hundred one billion, five hundred thirty-one million, two hundred ten thousand, seven hundred fifty-two".