231240103191 has 12 divisors (see below), whose sum is σ = 334788461280. Its totient is φ = 153802386240.

The previous prime is 231240103147. The next prime is 231240103201. The reversal of 231240103191 is 191301042132.

231240103191 is a `hidden beast` number, since 231 + 240 + 1 + 0 + 3 + 191 = 666.

It is not a de Polignac number, because 231240103191 - 2⁷ = 231240103063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240103291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29802786 + ... + 29810543.

It is an arithmetic number, because the mean of its divisors is an integer number (27899038440).

Almost surely, 2^231240103191 is an apocalyptic number.

231240103191 is a deficient number, since it is larger than the sum of its proper divisors (103548358089).

231240103191 is a wasteful number, since it uses less digits than its factorization.

231240103191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59613766 (or 59613763 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 231240103191 in words is "two hundred thirty-one billion, two hundred forty million, one hundred three thousand, one hundred ninety-one".