331705412 has 12 divisors (see below), whose sum is σ = 586232556. Its totient is φ = 164210400.

The previous prime is 331705399. The next prime is 331705453. The reversal of 331705412 is 214507133.

It can be written as a sum of positive squares in 2 ways, for example, as 200052736 + 131652676 = 14144^2 + 11474^2 .

It is a super-2 number, since 2×331705412² = 220056960700179488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410123 + ... + 410930.

It is an arithmetic number, because the mean of its divisors is an integer number (48852713).

Almost surely, 2^331705412 is an apocalyptic number.

It is an amenable number.

331705412 is a deficient number, since it is larger than the sum of its proper divisors (254527144).

331705412 is a wasteful number, since it uses less digits than its factorization.

331705412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821158 (or 821156 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 331705412 is about 18212.7815558195. The cubic root of 331705412 is about 692.2306942426.

The spelling of 331705412 in words is "three hundred thirty-one million, seven hundred five thousand, four hundred twelve".