3148171491 has 16 divisors (see below), whose sum is σ = 4258969344. Its totient is φ = 2068206624.

The previous prime is 3148171487. The next prime is 3148171493. The reversal of 3148171491 is 1941718413.

It is a happy number.

It is not a de Polignac number, because 3148171491 - 2² = 3148171487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3148171493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82930 + ... + 114776.

It is an arithmetic number, because the mean of its divisors is an integer number (266185584).

Almost surely, 2^3148171491 is an apocalyptic number.

3148171491 is a deficient number, since it is larger than the sum of its proper divisors (1110797853).

3148171491 is a wasteful number, since it uses less digits than its factorization.

3148171491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32330.

The product of its digits is 24192, while the sum is 39.

The square root of 3148171491 is about 56108.5687840993. The cubic root of 3148171491 is about 1465.6135131061.

The spelling of 3148171491 in words is "three billion, one hundred forty-eight million, one hundred seventy-one thousand, four hundred ninety-one".