2731978314 has 32 divisors (see below), whose sum is σ = 6538069440. Its totient is φ = 840608496.

The previous prime is 2731978307. The next prime is 2731978363. The reversal of 2731978314 is 4138791372.

2731978314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2731978314.

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, 1945152 + ... + 1946555.

It is an arithmetic number, because the mean of its divisors is an integer number (204314670).

Almost surely, 2^2731978314 is an apocalyptic number.

2731978314 is an abundant number, since it is smaller than the sum of its proper divisors (3806091126).

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

2731978314 is a wasteful number, since it uses less digits than its factorization.

2731978314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891731 (or 3891725 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 2731978314 is about 52268.3299331440. The cubic root of 2731978314 is about 1397.9525025768.

The spelling of 2731978314 in words is "two billion, seven hundred thirty-one million, nine hundred seventy-eight thousand, three hundred fourteen".