312677436106443 has 8 divisors (see below), whose sum is σ = 438845524360000. Its totient is φ = 197480485961928.

The previous prime is 312677436106439. The next prime is 312677436106463. The reversal of 312677436106443 is 344601634776213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312677436106443 - 2² = 312677436106439 is a prime.

It is a super-2 number, since 2×312677436106443² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 5485569054499 = 312677436106443 / (3 + 1 + 2 + 6 + 7 + 7 + 4 + 3 + 6 + 1 + 0 + 6 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312677436106463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742784527193 + ... + 2742784527306.

It is an arithmetic number, because the mean of its divisors is an integer number (54855690545000).

Almost surely, 2^{312677436106443} is an apocalyptic number.

312677436106443 is a deficient number, since it is larger than the sum of its proper divisors (126168088253557).

312677436106443 is a wasteful number, since it uses less digits than its factorization.

312677436106443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485569054521.

The product of its (nonzero) digits is 36578304, while the sum is 57.

The spelling of 312677436106443 in words is "three hundred twelve trillion, six hundred seventy-seven billion, four hundred thirty-six million, one hundred six thousand, four hundred forty-three".