5311320 has 64 divisors (see below), whose sum is σ = 18213120. Its totient is φ = 1213824.

The previous prime is 5311307. The next prime is 5311337. The reversal of 5311320 is 231135.

5311320 = 116² + 117² + ... + 259².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 5311320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

Almost surely, 2^5311320 is an apocalyptic number.

It is an amenable number.

5311320 is an abundant number, since it is smaller than the sum of its proper divisors (12901800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5311320 is a wasteful number, since it uses less digits than its factorization.

5311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 5311320 is about 2304.6301221671. The cubic root of 5311320 is about 174.4753812391.

Adding to 5311320 its reverse (231135), we get a palindrome (5542455).

The spelling of 5311320 in words is "five million, three hundred eleven thousand, three hundred twenty".