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3042313121 = 29104907349
BaseRepresentation
bin1011010101010110…
…0000001110100001
321212000122112000202
42311111200032201
522212313004441
61221515154545
7135251143361
oct26525401641
97760575022
103042313121
111321340971
1270aa45a55
133963aaba3
1420c09c9a1
1512c15119b
hexb55603a1

3042313121 has 4 divisors (see below), whose sum is σ = 3147220500. Its totient is φ = 2937405744.

The previous prime is 3042313103. The next prime is 3042313139. The reversal of 3042313121 is 1213132403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213132403 = 7173304629.

It is an interprime number because it is at equal distance from previous prime (3042313103) and next prime (3042313139).

It can be written as a sum of positive squares in 2 ways, for example, as 2053902400 + 988410721 = 45320^2 + 31439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3042313121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3042313093 and 3042313102.

It is not an unprimeable number, because it can be changed into a prime (3042313171) 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, 52453646 + ... + 52453703.

It is an arithmetic number, because the mean of its divisors is an integer number (786805125).

Almost surely, 23042313121 is an apocalyptic number.

It is an amenable number.

3042313121 is a deficient number, since it is larger than the sum of its proper divisors (104907379).

3042313121 is a wasteful number, since it uses less digits than its factorization.

3042313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104907378.

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

The square root of 3042313121 is about 55157.1674490270. The cubic root of 3042313121 is about 1448.9986143386.

Adding to 3042313121 its reverse (1213132403), we get a palindrome (4255445524).

The spelling of 3042313121 in words is "three billion, forty-two million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 29 104907349 3042313121