312042546 has 12 divisors (see below), whose sum is σ = 676092222. Its totient is φ = 104014176.

The previous prime is 312042539. The next prime is 312042583. The reversal of 312042546 is 645240213.

It can be written as a sum of positive squares in only one way, i.e., 170694225 + 141348321 = 13065^2 + 11889^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8667831 + ... + 8667866.

Almost surely, 2^312042546 is an apocalyptic number.

312042546 is an abundant number, since it is smaller than the sum of its proper divisors (364049676).

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

312042546 is a wasteful number, since it uses less digits than its factorization.

312042546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17335705 (or 17335702 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 312042546 is about 17664.7260380681. The cubic root of 312042546 is about 678.2731167918.

Adding to 312042546 its reverse (645240213), we get a palindrome (957282759).

The spelling of 312042546 in words is "three hundred twelve million, forty-two thousand, five hundred forty-six".