101231056487 has 8 divisors (see below), whose sum is σ = 110437206672. Its totient is φ = 92025460800.

The previous prime is 101231056393. The next prime is 101231056513. The reversal of 101231056487 is 784650132101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101231056487 - 2²⁰ = 101230007911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101231056487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231055487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304787 + ... + 543467.

It is an arithmetic number, because the mean of its divisors is an integer number (13804650834).

Almost surely, 2^101231056487 is an apocalyptic number.

101231056487 is a deficient number, since it is larger than the sum of its proper divisors (9206150185).

101231056487 is a wasteful number, since it uses less digits than its factorization.

101231056487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277249.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 101231056487 its reverse (784650132101), we get a palindrome (885881188588).

The spelling of 101231056487 in words is "one hundred one billion, two hundred thirty-one million, fifty-six thousand, four hundred eighty-seven".