231288659047 has 2 divisors, whose sum is σ = 231288659048. Its totient is φ = 231288659046.

The previous prime is 231288659033. The next prime is 231288659081. The reversal of 231288659047 is 740956882132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231288659047 - 2⁷ = 231288658919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231288659347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115644329523 + 115644329524.

It is an arithmetic number, because the mean of its divisors is an integer number (115644329524).

It is a 2-persistent number, because it is pandigital, and so is 2⋅231288659047 = 462577318094, but 3⋅231288659047 = 693865977141 is not.

Almost surely, 2^231288659047 is an apocalyptic number.

231288659047 is a deficient number, since it is larger than the sum of its proper divisors (1).

231288659047 is an equidigital number, since it uses as much as digits as its factorization.

231288659047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 231288659047 in words is "two hundred thirty-one billion, two hundred eighty-eight million, six hundred fifty-nine thousand, forty-seven".