312104461 has 4 divisors (see below), whose sum is σ = 312240124. Its totient is φ = 311968800.

The previous prime is 312104453. The next prime is 312104473. The reversal of 312104461 is 164401213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 244766025 + 67338436 = 15645^2 + 8206^2 .

It is a cyclic number.

It is not a de Polignac number, because 312104461 - 2³ = 312104453 is a prime.

It is a super-2 number, since 2×312104461² = 194818389152201042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312104491) 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 3 ways as a sum of consecutive naturals, for example, 64320 + ... + 69001.

It is an arithmetic number, because the mean of its divisors is an integer number (78060031).

Almost surely, 2^312104461 is an apocalyptic number.

It is an amenable number.

312104461 is a deficient number, since it is larger than the sum of its proper divisors (135663).

312104461 is a wasteful number, since it uses less digits than its factorization.

312104461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135662.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 312104461 is about 17666.4784549723. The cubic root of 312104461 is about 678.3179744598.

Adding to 312104461 its reverse (164401213), we get a palindrome (476505674).

The spelling of 312104461 in words is "three hundred twelve million, one hundred four thousand, four hundred sixty-one".