231211014894 has 28 divisors (see below), whose sum is σ = 519986915376. Its totient is φ = 77070337812.

The previous prime is 231211014871. The next prime is 231211014917. The reversal of 231211014894 is 498410112132.

231211014894 is a `hidden beast` number, since 2 + 312 + 110 + 148 + 94 = 666.

231211014894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231211014871) and next prime (231211014917).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 79289014 + ... + 79291929.

Almost surely, 2^231211014894 is an apocalyptic number.

231211014894 is an abundant number, since it is smaller than the sum of its proper divisors (288775900482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231211014894 is an equidigital number, since it uses as much as digits as its factorization.

231211014894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158580963 (or 158580948 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 231211014894 in words is "two hundred thirty-one billion, two hundred eleven million, fourteen thousand, eight hundred ninety-four".