231267781014111 has 96 divisors (see below), whose sum is σ = 361810361848320. Its totient is φ = 145975614022656.

The previous prime is 231267781014089. The next prime is 231267781014139. The reversal of 231267781014111 is 111410187762132.

231267781014111 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 67 + 78 + 101 + 411 + 1 = 666.

It is not a de Polignac number, because 231267781014111 - 2¹¹ = 231267781012063 is a prime.

It is a super-2 number, since 2×231267781014111² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231267781014181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1859855806 + ... + 1859980148.

It is an arithmetic number, because the mean of its divisors is an integer number (3768857935920).

Almost surely, 2^{231267781014111} is an apocalyptic number.

231267781014111 is a deficient number, since it is larger than the sum of its proper divisors (130542580834209).

231267781014111 is a wasteful number, since it uses less digits than its factorization.

231267781014111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125722 (or 125693 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 231267781014111 in words is "two hundred thirty-one trillion, two hundred sixty-seven billion, seven hundred eighty-one million, fourteen thousand, one hundred eleven".