842331312 has 60 divisors (see below), whose sum is σ = 2444678600. Its totient is φ = 280775808.

The previous prime is 842331299. The next prime is 842331331. The reversal of 842331312 is 213133248.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104437 + ... + 112212.

Almost surely, 2^842331312 is an apocalyptic number.

It is an amenable number.

842331312 is an abundant number, since it is smaller than the sum of its proper divisors (1602347288).

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

842331312 is a wasteful number, since it uses less digits than its factorization.

842331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216672 (or 216654 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 842331312 is about 29022.9445783849. The cubic root of 842331312 is about 944.4108799801.

The spelling of 842331312 in words is "eight hundred forty-two million, three hundred thirty-one thousand, three hundred twelve".