3147305145756 has 24 divisors (see below), whose sum is σ = 7453319650560. Its totient is φ = 1033443480432.

The previous prime is 3147305145713. The next prime is 3147305145793. The reversal of 3147305145756 is 6575415037413.

It is a junction number, because it is equal to n+sod(n) for n = 3147305145699 and 3147305145708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957278516 + ... + 1957280123.

It is an arithmetic number, because the mean of its divisors is an integer number (310554985440).

Almost surely, 2^{3147305145756} is an apocalyptic number.

It is an amenable number.

3147305145756 is an abundant number, since it is smaller than the sum of its proper divisors (4306014504804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3147305145756 is a wasteful number, since it uses less digits than its factorization.

3147305145756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914558713 (or 3914558711 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 3147305145756 in words is "three trillion, one hundred forty-seven billion, three hundred five million, one hundred forty-five thousand, seven hundred fifty-six".