100105600257831 has 16 divisors (see below), whose sum is σ = 152542109700864. Its totient is φ = 57203109156864.

The previous prime is 100105600257811. The next prime is 100105600257869. The reversal of 100105600257831 is 138752006501001.

It is not a de Polignac number, because 100105600257831 - 2²² = 100105596063527 is a prime.

It is a super-2 number, since 2×100105600257831² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100105600257831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105600257811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11082151 + ... + 17972903.

It is an arithmetic number, because the mean of its divisors is an integer number (9533881856304).

Almost surely, 2^{100105600257831} is an apocalyptic number.

100105600257831 is a deficient number, since it is larger than the sum of its proper divisors (52436509443033).

100105600257831 is an equidigital number, since it uses as much as digits as its factorization.

100105600257831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582550.

The product of its (nonzero) digits is 50400, while the sum is 39.

Adding to 100105600257831 its reverse (138752006501001), we get a palindrome (238857606758832).

The spelling of 100105600257831 in words is "one hundred trillion, one hundred five billion, six hundred million, two hundred fifty-seven thousand, eight hundred thirty-one".