101031660987 has 16 divisors (see below), whose sum is σ = 135417918240. Its totient is φ = 67000050432.

The previous prime is 101031660971. The next prime is 101031661001. The reversal of 101031660987 is 789066130101.

It is not a de Polignac number, because 101031660987 - 2⁴ = 101031660971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101031660487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4023423 + ... + 4048455.

It is an arithmetic number, because the mean of its divisors is an integer number (8463619890).

Almost surely, 2^101031660987 is an apocalyptic number.

101031660987 is a deficient number, since it is larger than the sum of its proper divisors (34386257253).

101031660987 is a wasteful number, since it uses less digits than its factorization.

101031660987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32062.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 101031660987 in words is "one hundred one billion, thirty-one million, six hundred sixty thousand, nine hundred eighty-seven".