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10002221303231 = 23434879187097
BaseRepresentation
bin1001000110001101001011…
…0110010000010110111111
31022102012111000000011000102
42101203102312100112333
52302334022123200411
633134542415151315
72051431240201103
oct221432266202677
938365430004012
1010002221303231
113206a11194013
1211565b781553b
13577289408531
14268178153903
151252a9e6bd3b
hex918d2d905bf

10002221303231 has 4 divisors (see below), whose sum is σ = 10437100490352. Its totient is φ = 9567342116112.

The previous prime is 10002221303227. The next prime is 10002221303281. The reversal of 10002221303231 is 13230312220001.

10002221303231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10002221303231 - 22 = 10002221303227 is a prime.

It is a super-2 number, since 2×100022213032312 (a number of 27 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 (10002221303281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217439593526 + ... + 217439593571.

It is an arithmetic number, because the mean of its divisors is an integer number (2609275122588).

Almost surely, 210002221303231 is an apocalyptic number.

10002221303231 is a deficient number, since it is larger than the sum of its proper divisors (434879187121).

10002221303231 is an equidigital number, since it uses as much as digits as its factorization.

10002221303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434879187120.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10002221303231 its reverse (13230312220001), we get a palindrome (23232533523232).

The spelling of 10002221303231 in words is "ten trillion, two billion, two hundred twenty-one million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 23 434879187097 10002221303231