231532535224547 has 2 divisors, whose sum is σ = 231532535224548. Its totient is φ = 231532535224546.

The previous prime is 231532535224411. The next prime is 231532535224589. The reversal of 231532535224547 is 745422535235132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231532535224547 - 2¹⁶ = 231532535159011 is a prime.

It is a super-2 number, since 2×231532535224547² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231532535224597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115766267612273 + 115766267612274.

It is an arithmetic number, because the mean of its divisors is an integer number (115766267612274).

Almost surely, 2^{231532535224547} is an apocalyptic number.

231532535224547 is a deficient number, since it is larger than the sum of its proper divisors (1).

231532535224547 is an equidigital number, since it uses as much as digits as its factorization.

231532535224547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240000, while the sum is 53.

The spelling of 231532535224547 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, five hundred thirty-five million, two hundred twenty-four thousand, five hundred forty-seven".