3147111020245 has 4 divisors (see below), whose sum is σ = 3776533224300. Its totient is φ = 2517688816192.

The previous prime is 3147111020231. The next prime is 3147111020267. The reversal of 3147111020245 is 5420201117413.

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 1680837053841 + 1466273966404 = 1296471^2 + 1210898^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147111020245 - 2¹⁷ = 3147110889173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314711102020 + ... + 314711102029.

It is an arithmetic number, because the mean of its divisors is an integer number (944133306075).

Almost surely, 2^{3147111020245} is an apocalyptic number.

It is an amenable number.

3147111020245 is a deficient number, since it is larger than the sum of its proper divisors (629422204055).

3147111020245 is an equidigital number, since it uses as much as digits as its factorization.

3147111020245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629422204054.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 3147111020245 its reverse (5420201117413), we get a palindrome (8567312137658).

The spelling of 3147111020245 in words is "three trillion, one hundred forty-seven billion, one hundred eleven million, twenty thousand, two hundred forty-five".