231461020002055 has 16 divisors (see below), whose sum is σ = 289840337311680. Its totient is φ = 177111345250048.

The previous prime is 231461020002019. The next prime is 231461020002059. The reversal of 231461020002055 is 550200020164132.

It is a cyclic number.

It is not a de Polignac number, because 231461020002055 - 2⁹ = 231461020001543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231461020002059) 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 in 15 ways as a sum of consecutive naturals, for example, 34723120 + ... + 40848709.

It is an arithmetic number, because the mean of its divisors is an integer number (18115021081980).

Almost surely, 2^{231461020002055} is an apocalyptic number.

231461020002055 is a deficient number, since it is larger than the sum of its proper divisors (58379317309625).

231461020002055 is a wasteful number, since it uses less digits than its factorization.

231461020002055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75598490.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231461020002055 its reverse (550200020164132), we get a palindrome (781661040166187).

The spelling of 231461020002055 in words is "two hundred thirty-one trillion, four hundred sixty-one billion, twenty million, two thousand, fifty-five".