3125347190971 has 4 divisors (see below), whose sum is σ = 3261231851472. Its totient is φ = 2989462530472.

The previous prime is 3125347190969. The next prime is 3125347190993. The reversal of 3125347190971 is 1790917435213.

It is a happy number.

3125347190971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3125347190971 - 2¹ = 3125347190969 is a prime.

It is a super-2 number, since 2×3125347190971² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125347190671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67942330216 + ... + 67942330261.

It is an arithmetic number, because the mean of its divisors is an integer number (815307962868).

Almost surely, 2^{3125347190971} is an apocalyptic number.

3125347190971 is a deficient number, since it is larger than the sum of its proper divisors (135884660501).

3125347190971 is a wasteful number, since it uses less digits than its factorization.

3125347190971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135884660500.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 3125347190971 in words is "three trillion, one hundred twenty-five billion, three hundred forty-seven million, one hundred ninety thousand, nine hundred seventy-one".