3145811017285 has 8 divisors (see below), whose sum is σ = 3775338614520. Its totient is φ = 2516405217984.

The previous prime is 3145811017277. The next prime is 3145811017291. The reversal of 3145811017285 is 5827101185413.

It can be written as a sum of positive squares in 4 ways, for example, as 100252023876 + 3045558993409 = 316626^2 + 1745153^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3145811017285 - 2³ = 3145811017277 is a prime.

It is a super-2 number, since 2×3145811017285² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30392650 + ... + 30495979.

It is an arithmetic number, because the mean of its divisors is an integer number (471917326815).

Almost surely, 2^{3145811017285} is an apocalyptic number.

It is an amenable number.

3145811017285 is a deficient number, since it is larger than the sum of its proper divisors (629527597235).

3145811017285 is a wasteful number, since it uses less digits than its factorization.

3145811017285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60898967.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 3145811017285 in words is "three trillion, one hundred forty-five billion, eight hundred eleven million, seventeen thousand, two hundred eighty-five".