6311136 has 72 divisors (see below), whose sum is σ = 17985240. Its totient is φ = 1936896.

The previous prime is 6311117. The next prime is 6311147.

6311136 is nontrivially palindromic in base 10.

6311136 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6311136² = 79660875220992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16030 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (249795).

Almost surely, 2^6311136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6311136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992620).

6311136 is an abundant number, since it is smaller than the sum of its proper divisors (11674104).

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

6311136 is a wasteful number, since it uses less digits than its factorization.

6311136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 407 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 6311136 is about 2512.1974444697. The cubic root of 6311136 is about 184.8002323792.

The spelling of 6311136 in words is "six million, three hundred eleven thousand, one hundred thirty-six".