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3141321 = 31047107
BaseRepresentation
bin1011111110111011001001
312220121002020
423332323021
51301010241
6151155053
735462241
oct13767311
95817066
103141321
111856137
121075a89
1385ca91
145bab21
15420b66
hex2feec9

3141321 has 4 divisors (see below), whose sum is σ = 4188432. Its totient is φ = 2094212.

The previous prime is 3141319. The next prime is 3141329. The reversal of 3141321 is 1231413.

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.

It is a cyclic number.

It is not a de Polignac number, because 3141321 - 21 = 3141319 is a prime.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3141321.

It is not an unprimeable number, because it can be changed into a prime (3141329) 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, 523551 + ... + 523556.

It is an arithmetic number, because the mean of its divisors is an integer number (1047108).

Almost surely, 23141321 is an apocalyptic number.

It is an amenable number.

3141321 is a deficient number, since it is larger than the sum of its proper divisors (1047111).

3141321 is a wasteful number, since it uses less digits than its factorization.

3141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047110.

The product of its digits is 72, while the sum is 15.

The square root of 3141321 is about 1772.3772171860. The cubic root of 3141321 is about 146.4549671913.

Adding to 3141321 its reverse (1231413), we get a palindrome (4372734).

The spelling of 3141321 in words is "three million, one hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 3 1047107 3141321