27313235312 has 80 divisors (see below), whose sum is σ = 58228844544. Its totient is φ = 12308352000.

The previous prime is 27313235273. The next prime is 27313235363. The reversal of 27313235312 is 21353231372.

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, 11327387 + ... + 11329797.

Almost surely, 2^27313235312 is an apocalyptic number.

27313235312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27313235312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29114422272).

27313235312 is an abundant number, since it is smaller than the sum of its proper divisors (30915609232).

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

27313235312 is a wasteful number, since it uses less digits than its factorization.

27313235312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2952 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

Adding to 27313235312 its reverse (21353231372), we get a palindrome (48666466684).

The spelling of 27313235312 in words is "twenty-seven billion, three hundred thirteen million, two hundred thirty-five thousand, three hundred twelve".