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5311131 = 37252911
BaseRepresentation
bin10100010000101010011011
3100222211111120
4110100222123
52324424011
6305500323
763100230
oct24205233
910884446
105311131
112aa8371
1219416a3
13113c5a7
149c3787
156eda06
hex510a9b

5311131 has 8 divisors (see below), whose sum is σ = 8093184. Its totient is φ = 3034920.

The previous prime is 5311129. The next prime is 5311139. The reversal of 5311131 is 1311135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5311131 - 21 = 5311129 is a prime.

It is a super-2 number, since 2×53111312 = 56416224998322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5311131.

It is not an unprimeable number, because it can be changed into a prime (5311139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126435 + ... + 126476.

It is an arithmetic number, because the mean of its divisors is an integer number (1011648).

Almost surely, 25311131 is an apocalyptic number.

5311131 is a deficient number, since it is larger than the sum of its proper divisors (2782053).

5311131 is a wasteful number, since it uses less digits than its factorization.

5311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252921.

The product of its digits is 45, while the sum is 15.

The square root of 5311131 is about 2304.5891173916. The cubic root of 5311131 is about 174.4733116821.

Adding to 5311131 its reverse (1311135), we get a palindrome (6622266).

The spelling of 5311131 in words is "five million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 3 7 21 252911 758733 1770377 5311131