100616231631 has 4 divisors (see below), whose sum is σ = 134154975512. Its totient is φ = 67077487752.

The previous prime is 100616231629. The next prime is 100616231659. The reversal of 100616231631 is 136132616001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136132616001 = 3 ⋅45377538667.

It is not a de Polignac number, because 100616231631 - 2¹ = 100616231629 is a prime.

It is a super-2 number, since 2×100616231631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100616241631) 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 3 ways as a sum of consecutive naturals, for example, 16769371936 + ... + 16769371941.

It is an arithmetic number, because the mean of its divisors is an integer number (33538743878).

Almost surely, 2^100616231631 is an apocalyptic number.

100616231631 is a deficient number, since it is larger than the sum of its proper divisors (33538743881).

100616231631 is an equidigital number, since it uses as much as digits as its factorization.

100616231631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33538743880.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 100616231631 its reverse (136132616001), we get a palindrome (236748847632).

The spelling of 100616231631 in words is "one hundred billion, six hundred sixteen million, two hundred thirty-one thousand, six hundred thirty-one".