231552534410155 has 32 divisors (see below), whose sum is σ = 320528219710464. Its totient is φ = 157293675966336.

The previous prime is 231552534410137. The next prime is 231552534410177. The reversal of 231552534410155 is 551014435255132.

It is not a de Polignac number, because 231552534410155 - 2⁹ = 231552534409643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763914609 + ... + 764217661.

It is an arithmetic number, because the mean of its divisors is an integer number (10016506865952).

Almost surely, 2^{231552534410155} is an apocalyptic number.

231552534410155 is a deficient number, since it is larger than the sum of its proper divisors (88975685300309).

231552534410155 is a wasteful number, since it uses less digits than its factorization.

231552534410155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507195.

The product of its (nonzero) digits is 1800000, while the sum is 46.

Adding to 231552534410155 its reverse (551014435255132), we get a palindrome (782566969665287).

The spelling of 231552534410155 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred thirty-four million, four hundred ten thousand, one hundred fifty-five".