231434320025562 has 16 divisors (see below), whose sum is σ = 466247243264832. Its totient is φ = 76581672806240.

The previous prime is 231434320025551. The next prime is 231434320025591. The reversal of 231434320025562 is 265520023434132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140775133014 + ... + 140775134657.

It is an arithmetic number, because the mean of its divisors is an integer number (29140452704052).

Almost surely, 2^{231434320025562} is an apocalyptic number.

231434320025562 is an abundant number, since it is smaller than the sum of its proper divisors (234812923239270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231434320025562 is a wasteful number, since it uses less digits than its factorization.

231434320025562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281550267813.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 231434320025562 its reverse (265520023434132), we get a palindrome (496954343459694).

The spelling of 231434320025562 in words is "two hundred thirty-one trillion, four hundred thirty-four billion, three hundred twenty million, twenty-five thousand, five hundred sixty-two".