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3123101121 = 37148719101
BaseRepresentation
bin1011101000100110…
…1011110111000001
322001122122222022220
42322021223313001
522344003213441
61233522521253
7140251631040
oct27211536701
98048588286
103123101121
111362a00108
12731b06229
133aa055b3a
14218acc557
151342ad466
hexba26bdc1

3123101121 has 8 divisors (see below), whose sum is σ = 4759011264. Its totient is φ = 1784629200.

The previous prime is 3123101101. The next prime is 3123101123. The reversal of 3123101121 is 1211013213.

It is a happy number.

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

It is not a de Polignac number, because 3123101121 - 214 = 3123084737 is a prime.

It is a super-2 number, since 2×31231011212 = 19507521223982913282, which contains 22 as substring.

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 3123101121.

It is not an unprimeable number, because it can be changed into a prime (3123101123) 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 7 ways as a sum of consecutive naturals, for example, 74359530 + ... + 74359571.

It is an arithmetic number, because the mean of its divisors is an integer number (594876408).

Almost surely, 23123101121 is an apocalyptic number.

It is an amenable number.

3123101121 is a deficient number, since it is larger than the sum of its proper divisors (1635910143).

3123101121 is a wasteful number, since it uses less digits than its factorization.

3123101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148719111.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3123101121 is about 55884.7127665518. The cubic root of 3123101121 is about 1461.7126834599.

Adding to 3123101121 its reverse (1211013213), we get a palindrome (4334114334).

The spelling of 3123101121 in words is "three billion, one hundred twenty-three million, one hundred one thousand, one hundred twenty-one".

Divisors: 1 3 7 21 148719101 446157303 1041033707 3123101121