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311313104 = 2419457069
BaseRepresentation
bin10010100011100…
…100001011010000
3210200210100021222
4102203210023100
51114144004404
650520304212
710500055244
oct2243441320
9720710258
10311313104
1114a801163
1288312068
134c65c24b
142d4ba424
151c4e5dbe
hex128e42d0

311313104 has 10 divisors (see below), whose sum is σ = 603169170. Its totient is φ = 155656544.

The previous prime is 311313091. The next prime is 311313127. The reversal of 311313104 is 401313113.

It can be written as a sum of positive squares in only one way, i.e., 206209600 + 105103504 = 14360^2 + 10252^2 .

It is a super-2 number, since 2×3113131042 = 193831697444229632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9728519 + ... + 9728550.

It is an arithmetic number, because the mean of its divisors is an integer number (60316917).

Almost surely, 2311313104 is an apocalyptic number.

It is an amenable number.

311313104 is a deficient number, since it is larger than the sum of its proper divisors (291856066).

311313104 is a wasteful number, since it uses less digits than its factorization.

311313104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19457077 (or 19457071 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 311313104 is about 17644.0671048373. The cubic root of 311313104 is about 677.7441857957.

Adding to 311313104 its reverse (401313113), we get a palindrome (712626217).

Subtracting 311313104 from its reverse (401313113), we obtain a palindrome (90000009).

The spelling of 311313104 in words is "three hundred eleven million, three hundred thirteen thousand, one hundred four".

Divisors: 1 2 4 8 16 19457069 38914138 77828276 155656552 311313104