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3102232121 = 27111447351
BaseRepresentation
bin1011100011101000…
…0100111000111001
322000012101201102222
42320322010320321
522323132411441
61231455333425
7136606352342
oct27072047071
98005351388
103102232121
1113521469aa
12726b21275
133a592a011
142160190c9
15132539d4b
hexb8e84e39

3102232121 has 4 divisors (see below), whose sum is σ = 3113679744. Its totient is φ = 3090784500.

The previous prime is 3102232117. The next prime is 3102232127. The reversal of 3102232121 is 1212322013.

3102232121 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1212322013 = 7173188859.

It is a cyclic number.

It is not a de Polignac number, because 3102232121 - 22 = 3102232117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3102232121.

It is not an unprimeable number, because it can be changed into a prime (3102232127) 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, 5723405 + ... + 5723946.

It is an arithmetic number, because the mean of its divisors is an integer number (778419936).

Almost surely, 23102232121 is an apocalyptic number.

It is an amenable number.

3102232121 is a deficient number, since it is larger than the sum of its proper divisors (11447623).

3102232121 is a wasteful number, since it uses less digits than its factorization.

3102232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11447622.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3102232121 is about 55697.6850596145. The cubic root of 3102232121 is about 1458.4496147722.

Adding to 3102232121 its reverse (1212322013), we get a palindrome (4314554134).

The spelling of 3102232121 in words is "three billion, one hundred two million, two hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 271 11447351 3102232121