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100130210231 = 823121664897
BaseRepresentation
bin101110101000000111…
…0011100000110110111
3100120110020122201002212
41131100032130012313
53120031313211411
6113555453524035
710143214513112
oct1352016340667
9316406581085
10100130210231
1139512990a67
12174a54a361b
13959979cb0c
144bbc477579
1529108aa68b
hex175039c1b7

100130210231 has 4 divisors (see below), whose sum is σ = 100251875952. Its totient is φ = 100008544512.

The previous prime is 100130210227. The next prime is 100130210233. The reversal of 100130210231 is 132012031001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132012031001 = 427273089663.

It is a cyclic number.

It is not a de Polignac number, because 100130210231 - 22 = 100130210227 is a prime.

It is a super-2 number, since 2×1001302102312 (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 (100130210233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60831626 + ... + 60833271.

It is an arithmetic number, because the mean of its divisors is an integer number (25062968988).

Almost surely, 2100130210231 is an apocalyptic number.

100130210231 is a deficient number, since it is larger than the sum of its proper divisors (121665721).

100130210231 is an equidigital number, since it uses as much as digits as its factorization.

100130210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121665720.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100130210231 its reverse (132012031001), we get a palindrome (232142241232).

The spelling of 100130210231 in words is "one hundred billion, one hundred thirty million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 823 121664897 100130210231