3191226520149 has 6 divisors (see below), whose sum is σ = 4609549418006. Its totient is φ = 2127484346760.

The previous prime is 3191226520091. The next prime is 3191226520189. The reversal of 3191226520149 is 9410256221913.

It is a happy number.

3191226520149 is a `hidden beast` number, since 3 + 1 + 91 + 2 + 26 + 520 + 14 + 9 = 666.

3191226520149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3161372900625 + 29853619524 = 1778025^2 + 172782^2 .

It is not a de Polignac number, because 3191226520149 - 2¹⁶ = 3191226454613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3191226520189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177290362222 + ... + 177290362239.

Almost surely, 2^{3191226520149} is an apocalyptic number.

It is an amenable number.

3191226520149 is a deficient number, since it is larger than the sum of its proper divisors (1418322897857).

3191226520149 is a wasteful number, since it uses less digits than its factorization.

3191226520149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354580724467 (or 354580724464 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 3191226520149 in words is "three trillion, one hundred ninety-one billion, two hundred twenty-six million, five hundred twenty thousand, one hundred forty-nine".