3172886003146 has 4 divisors (see below), whose sum is σ = 4759329004722. Its totient is φ = 1586443001572.

The previous prime is 3172886003143. The next prime is 3172886003207. The reversal of 3172886003146 is 6413006882713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2289050987521 + 883835015625 = 1512961^2 + 940125^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3172886003146.

It is not an unprimeable number, because it can be changed into a prime (3172886003143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793221500785 + ... + 793221500788.

Almost surely, 2^{3172886003146} is an apocalyptic number.

3172886003146 is a deficient number, since it is larger than the sum of its proper divisors (1586443001576).

3172886003146 is a wasteful number, since it uses less digits than its factorization.

3172886003146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586443001575.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 3172886003146 in words is "three trillion, one hundred seventy-two billion, eight hundred eighty-six million, three thousand, one hundred forty-six".