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100213201031 = 231131492511031
BaseRepresentation
bin101110101010100101…
…1000001100010000111
3100120200000211002002012
41131111023001202013
53120214034413111
6114012020404435
710145243103566
oct1352513014207
9316600732065
10100213201031
11395558151a9
121750924671b
1395b0a395b8
144bc94bbbdd
152917d0048b
hex17552c1887

100213201031 has 32 divisors (see below), whose sum is σ = 106730265600. Its totient is φ = 93903040000.

The previous prime is 100213201027. The next prime is 100213201087. The reversal of 100213201031 is 130102312001.

It is a cyclic number.

It is not a de Polignac number, because 100213201031 - 22 = 100213201027 is a prime.

It is a super-2 number, since 2×1002132010312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100213200997 and 100213201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100213201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97199486 + ... + 97200516.

It is an arithmetic number, because the mean of its divisors is an integer number (3335320800).

Almost surely, 2100213201031 is an apocalyptic number.

100213201031 is a deficient number, since it is larger than the sum of its proper divisors (6517064569).

100213201031 is a wasteful number, since it uses less digits than its factorization.

100213201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

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

Adding to 100213201031 its reverse (130102312001), we get a palindrome (230315513032).

The spelling of 100213201031 in words is "one hundred billion, two hundred thirteen million, two hundred one thousand, thirty-one".

Divisors: 1 23 113 149 251 1031 2599 3427 5773 16837 23713 28363 37399 116503 153619 258781 387251 652349 860177 2679569 3533237 4226087 5951963 17358947 29242253 38558369 97200001 399255781 672571819 886842487 4357095697 100213201031