231553583071 has 2 divisors, whose sum is σ = 231553583072. Its totient is φ = 231553583070.

The previous prime is 231553582957. The next prime is 231553583111. The reversal of 231553583071 is 170385355132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231553583071 - 2²⁹ = 231016712159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231553683071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115776791535 + 115776791536.

It is an arithmetic number, because the mean of its divisors is an integer number (115776791536).

Almost surely, 2^231553583071 is an apocalyptic number.

231553583071 is a deficient number, since it is larger than the sum of its proper divisors (1).

231553583071 is an equidigital number, since it uses as much as digits as its factorization.

231553583071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 231553583071 in words is "two hundred thirty-one billion, five hundred fifty-three million, five hundred eighty-three thousand, seventy-one".