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311324 = 22135987
BaseRepresentation
bin1001100000000011100
3120211001112
41030000130
534430244
610401152
72434436
oct1140034
9524045
10311324
111a29a2
121301b8
13ab920
1481656
156239e
hex4c01c

311324 has 12 divisors (see below), whose sum is σ = 586824. Its totient is φ = 143664.

The previous prime is 311323. The next prime is 311329. The reversal of 311324 is 423113.

It is a junction number, because it is equal to n+sod(n) for n = 311299 and 311308.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 311324.

It is not an unprimeable number, because it can be changed into a prime (311323) 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, 2942 + ... + 3045.

It is an arithmetic number, because the mean of its divisors is an integer number (48902).

2311324 is an apocalyptic number.

It is an amenable number.

311324 is a deficient number, since it is larger than the sum of its proper divisors (275500).

311324 is a wasteful number, since it uses less digits than its factorization.

311324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 6002 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 311324 is about 557.9641565549. The cubic root of 311324 is about 67.7752092749.

Adding to 311324 its reverse (423113), we get a palindrome (734437).

The spelling of 311324 in words is "three hundred eleven thousand, three hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 13 26 52 5987 11974 23948 77831 155662 311324