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3113121 = 311293253
BaseRepresentation
bin1011111000000010100001
312212011101210
423320002201
51244104441
6150420333
735314104
oct13700241
95764353
103113121
111836a30
1210616a9
1384ccab
145b073b
15417616
hex2f80a1

3113121 has 16 divisors (see below), whose sum is σ = 4685760. Its totient is φ = 1821120.

The previous prime is 3113111. The next prime is 3113129. The reversal of 3113121 is 1213113.

It is not a de Polignac number, because 3113121 - 29 = 3112609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113097 and 3113106.

It is not an unprimeable number, because it can be changed into a prime (3113129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (292860).

Almost surely, 23113121 is an apocalyptic number.

It is an amenable number.

3113121 is a deficient number, since it is larger than the sum of its proper divisors (1572639).

3113121 is a wasteful number, since it uses less digits than its factorization.

3113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its digits is 18, while the sum is 12.

The square root of 3113121 is about 1764.4038653324. The cubic root of 3113121 is about 146.0154015153.

Adding to 3113121 its reverse (1213113), we get a palindrome (4326234).

It can be divided in two parts, 3113 and 121, that multiplied together give a palindrome (376673).

The spelling of 3113121 in words is "three million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 3 11 29 33 87 319 957 3253 9759 35783 94337 107349 283011 1037707 3113121