3145513423305 has 48 divisors (see below), whose sum is σ = 5547796228800. Its totient is φ = 1520727204480.

The previous prime is 3145513423303. The next prime is 3145513423333. The reversal of 3145513423305 is 5033243155413.

It is not a de Polignac number, because 3145513423305 - 2¹ = 3145513423303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3145513423303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1849467 + ... + 3116336.

It is an arithmetic number, because the mean of its divisors is an integer number (115579088100).

Almost surely, 2^{3145513423305} is an apocalyptic number.

It is an amenable number.

3145513423305 is a deficient number, since it is larger than the sum of its proper divisors (2402282805495).

3145513423305 is a wasteful number, since it uses less digits than its factorization.

3145513423305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966182 (or 4966171 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 3145513423305 its reverse (5033243155413), we get a palindrome (8178756578718).

The spelling of 3145513423305 in words is "three trillion, one hundred forty-five billion, five hundred thirteen million, four hundred twenty-three thousand, three hundred five".