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3102232211221 = 111321693931547
BaseRepresentation
bin101101001001001011011…
…100101110111100010101
3101222120101220012200211111
4231021023130232330111
5401311332421224341
610333051254335021
7440062130500033
oct55111334567425
911876356180744
103102232211221
11a96716232140
1242129735a471
1319670193b590
14aa2125bb553
1555a6990e681
hex2d24b72ef15

3102232211221 has 8 divisors (see below), whose sum is σ = 3644580500064. Its totient is φ = 2603271785520.

The previous prime is 3102232211219. The next prime is 3102232211231. The reversal of 3102232211221 is 1221122322013.

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

It is a cyclic number.

It is not a de Polignac number, because 3102232211221 - 21 = 3102232211219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102232211192 and 3102232211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102232211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10846965631 + ... + 10846965916.

It is an arithmetic number, because the mean of its divisors is an integer number (455572562508).

Almost surely, 23102232211221 is an apocalyptic number.

It is an amenable number.

3102232211221 is a deficient number, since it is larger than the sum of its proper divisors (542348288843).

3102232211221 is a wasteful number, since it uses less digits than its factorization.

3102232211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21693931571.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3102232211221 its reverse (1221122322013), we get a palindrome (4323354533234).

The spelling of 3102232211221 in words is "three trillion, one hundred two billion, two hundred thirty-two million, two hundred eleven thousand, two hundred twenty-one".

Divisors: 1 11 13 143 21693931547 238633247017 282021110111 3102232211221