100288605555631 has 2 divisors, whose sum is σ = 100288605555632. Its totient is φ = 100288605555630.

The previous prime is 100288605555629. The next prime is 100288605555647. The reversal of 100288605555631 is 136555506882001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100288605555631 - 2¹ = 100288605555629 is a prime.

It is a super-2 number, since 2×100288605555631² (a number of 29 digits) contains 22 as substring.

Together with 100288605555629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100288605555601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50144302777815 + 50144302777816.

It is an arithmetic number, because the mean of its divisors is an integer number (50144302777816).

Almost surely, 2^{100288605555631} is an apocalyptic number.

100288605555631 is a deficient number, since it is larger than the sum of its proper divisors (1).

100288605555631 is an equidigital number, since it uses as much as digits as its factorization.

100288605555631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640000, while the sum is 55.

The spelling of 100288605555631 in words is "one hundred trillion, two hundred eighty-eight billion, six hundred five million, five hundred fifty-five thousand, six hundred thirty-one".