312041042 has 4 divisors (see below), whose sum is σ = 468061566. Its totient is φ = 156020520.

The previous prime is 312041039. The next prime is 312041063. The reversal of 312041042 is 240140213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 264030001 + 48011041 = 16249^2 + 6929^2 .

It is a super-2 number, since 2×312041042² = 194739223784891528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312041042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78010259 + ... + 78010262.

Almost surely, 2^312041042 is an apocalyptic number.

312041042 is a deficient number, since it is larger than the sum of its proper divisors (156020524).

312041042 is a wasteful number, since it uses less digits than its factorization.

312041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156020523.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312041042 is about 17664.6834673028. The cubic root of 312041042 is about 678.2720270639.

Adding to 312041042 its reverse (240140213), we get a palindrome (552181255).

The spelling of 312041042 in words is "three hundred twelve million, forty-one thousand, forty-two".