2731818012 has 96 divisors (see below), whose sum is σ = 8109427200. Its totient is φ = 709551360.

The previous prime is 2731817999. The next prime is 2731818029. The reversal of 2731818012 is 2108181372.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15108 + ... + 75444.

It is an arithmetic number, because the mean of its divisors is an integer number (84473200).

Almost surely, 2^2731818012 is an apocalyptic number.

2731818012 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 2731818012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4054713600).

2731818012 is an abundant number, since it is smaller than the sum of its proper divisors (5377609188).

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

2731818012 is a wasteful number, since it uses less digits than its factorization.

2731818012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60376 (or 60360 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 2731818012 is about 52266.7964581722. The cubic root of 2731818012 is about 1397.9251598799.

Adding to 2731818012 its reverse (2108181372), we get a palindrome (4839999384).

The spelling of 2731818012 in words is "two billion, seven hundred thirty-one million, eight hundred eighteen thousand, twelve".