147831060191 has 4 divisors (see below), whose sum is σ = 147833100552. Its totient is φ = 147829019832.

The previous prime is 147831060107. The next prime is 147831060259. The reversal of 147831060191 is 191060138741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191060138741 = 389 ⋅491157169.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147831060191 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 (147831060101) 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, 907340 + ... + 1057793.

It is an arithmetic number, because the mean of its divisors is an integer number (36958275138).

Almost surely, 2^147831060191 is an apocalyptic number.

147831060191 is a deficient number, since it is larger than the sum of its proper divisors (2040361).

147831060191 is an equidigital number, since it uses as much as digits as its factorization.

147831060191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040360.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 147831060191 in words is "one hundred forty-seven billion, eight hundred thirty-one million, sixty thousand, one hundred ninety-one".