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100221310231213 = 2633125631219177
BaseRepresentation
bin10110110010011010010111…
…100110000110001010101101
3111010212001201102120010100211
4112302122113212012022231
5101114011220404344323
6553053011225022421
730052515332105233
oct2662322746061255
9433761642503324
10100221310231213
1129a2a689952506
12b2a768a024a11
1343bcaa141a892
141aa6a47200953
15b8bebda2170d
hex5b26979862ad

100221310231213 has 8 divisors (see below), whose sum is σ = 100602784231488. Its totient is φ = 99839839294944.

The previous prime is 100221310231153. The next prime is 100221310231243. The reversal of 100221310231213 is 312132013122001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100221310231213 is a prime.

It is a super-2 number, since 2×1002213102312132 (a number of 29 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 (100221310231243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81594481 + ... + 82813657.

It is an arithmetic number, because the mean of its divisors is an integer number (12575348028936).

Almost surely, 2100221310231213 is an apocalyptic number.

It is an amenable number.

100221310231213 is a deficient number, since it is larger than the sum of its proper divisors (381474000275).

100221310231213 is a wasteful number, since it uses less digits than its factorization.

100221310231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532003.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100221310231213 its reverse (312132013122001), we get a palindrome (412353323353214).

The spelling of 100221310231213 in words is "one hundred trillion, two hundred twenty-one billion, three hundred ten million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 263 312563 1219177 82204069 320643551 381069620651 100221310231213