5311331 has 4 divisors (see below), whose sum is σ = 5398464. Its totient is φ = 5224200.

The previous prime is 5311307. The next prime is 5311337. The reversal of 5311331 is 1331135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5311331 - 2²² = 1117027 is a prime.

It is a super-2 number, since 2×5311331² = 56420473983122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311337) 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, 43475 + ... + 43596.

It is an arithmetic number, because the mean of its divisors is an integer number (1349616).

Almost surely, 2^5311331 is an apocalyptic number.

5311331 is a deficient number, since it is larger than the sum of its proper divisors (87133).

5311331 is an equidigital number, since it uses as much as digits as its factorization.

5311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87132.

The product of its digits is 135, while the sum is 17.

The square root of 5311331 is about 2304.6325086660. The cubic root of 5311331 is about 174.4755016880.

Adding to 5311331 its reverse (1331135), we get a palindrome (6642466).

The spelling of 5311331 in words is "five million, three hundred eleven thousand, three hundred thirty-one".