2831232856 has 8 divisors (see below), whose sum is σ = 5308561620. Its totient is φ = 1415616424.

The previous prime is 2831232847. The next prime is 2831232857. The reversal of 2831232856 is 6582321382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831232857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176952046 + ... + 176952061.

Almost surely, 2^2831232856 is an apocalyptic number.

It is an amenable number.

2831232856 is a deficient number, since it is larger than the sum of its proper divisors (2477328764).

2831232856 is a wasteful number, since it uses less digits than its factorization.

2831232856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353904113 (or 353904109 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 2831232856 is about 53209.3305351608. The cubic root of 2831232856 is about 1414.6810297107.

The spelling of 2831232856 in words is "two billion, eight hundred thirty-one million, two hundred thirty-two thousand, eight hundred fifty-six".