100383821231 has 2 divisors, whose sum is σ = 100383821232. Its totient is φ = 100383821230.

The previous prime is 100383821183. The next prime is 100383821243. The reversal of 100383821231 is 132128383001.

It is a strong prime.

It is an emirp because it is prime and its reverse (132128383001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100383821231 is a prime.

It is a super-2 number, since 2×100383821231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100383821261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50191910615 + 50191910616.

It is an arithmetic number, because the mean of its divisors is an integer number (50191910616).

Almost surely, 2^100383821231 is an apocalyptic number.

100383821231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100383821231 is an equidigital number, since it uses as much as digits as its factorization.

100383821231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 100383821231 in words is "one hundred billion, three hundred eighty-three million, eight hundred twenty-one thousand, two hundred thirty-one".