100034421031 has 2 divisors, whose sum is σ = 100034421032. Its totient is φ = 100034421030.

The previous prime is 100034421029. The next prime is 100034421043. The reversal of 100034421031 is 130124430001.

It is a weak prime.

It is an emirp because it is prime and its reverse (130124430001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100034421031 - 2¹ = 100034421029 is a prime.

It is a super-2 number, since 2×100034421031² (a number of 23 digits) contains 22 as substring.

Together with 100034421029, 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 (100034421131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50017210515 + 50017210516.

It is an arithmetic number, because the mean of its divisors is an integer number (50017210516).

Almost surely, 2^100034421031 is an apocalyptic number.

100034421031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100034421031 is an equidigital number, since it uses as much as digits as its factorization.

100034421031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100034421031 its reverse (130124430001), we get a palindrome (230158851032).

The spelling of 100034421031 in words is "one hundred billion, thirty-four million, four hundred twenty-one thousand, thirty-one".