82313012 has 24 divisors (see below), whose sum is σ = 148386504. Its totient is φ = 39923712.

The previous prime is 82312981. The next prime is 82313039. The reversal of 82313012 is 21031328.

It can be written as a sum of positive squares in 4 ways, for example, as 37503376 + 44809636 = 6124^2 + 6694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67028 + ... + 68244.

It is an arithmetic number, because the mean of its divisors is an integer number (6182771).

Almost surely, 2^82313012 is an apocalyptic number.

It is an amenable number.

82313012 is a deficient number, since it is larger than the sum of its proper divisors (66073492).

82313012 is a wasteful number, since it uses less digits than its factorization.

82313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 82313012 is about 9072.6518725233. The cubic root of 82313012 is about 435.0002413351. Note that the first 3 decimals are identical.

The spelling of 82313012 in words is "eighty-two million, three hundred thirteen thousand, twelve".