312520041 has 6 divisors (see below), whose sum is σ = 451417850. Its totient is φ = 208346688.

The previous prime is 312519973. The next prime is 312520049. The reversal of 312520041 is 140025213.

It can be written as a sum of positive squares in only one way, i.e., 296838441 + 15681600 = 17229^2 + 3960^2 .

It is not a de Polignac number, because 312520041 - 2¹⁰ = 312519017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312519996 and 312520023.

It is not an unprimeable number, because it can be changed into a prime (312520049) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 17362216 + ... + 17362233.

Almost surely, 2^312520041 is an apocalyptic number.

It is an amenable number.

312520041 is a deficient number, since it is larger than the sum of its proper divisors (138897809).

312520041 is a wasteful number, since it uses less digits than its factorization.

312520041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34724455 (or 34724452 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 312520041 is about 17678.2363656559. The cubic root of 312520041 is about 678.6189104102.

Adding to 312520041 its reverse (140025213), we get a palindrome (452545254).

The spelling of 312520041 in words is "three hundred twelve million, five hundred twenty thousand, forty-one".