231155432155283 has 2 divisors, whose sum is σ = 231155432155284. Its totient is φ = 231155432155282.

The previous prime is 231155432155243. The next prime is 231155432155391. The reversal of 231155432155283 is 382551234551132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231155432155283 is a prime.

It is not a weakly prime, because it can be changed into another prime (231155432155243) 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, 115577716077641 + 115577716077642.

It is an arithmetic number, because the mean of its divisors is an integer number (115577716077642).

Almost surely, 2^{231155432155283} is an apocalyptic number.

231155432155283 is a deficient number, since it is larger than the sum of its proper divisors (1).

231155432155283 is an equidigital number, since it uses as much as digits as its factorization.

231155432155283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320000, while the sum is 50.

The spelling of 231155432155283 in words is "two hundred thirty-one trillion, one hundred fifty-five billion, four hundred thirty-two million, one hundred fifty-five thousand, two hundred eighty-three".