232121134104431 has 32 divisors (see below), whose sum is σ = 273325922408448. Its totient is φ = 194341618563840.

The previous prime is 232121134104359. The next prime is 232121134104539. The reversal of 232121134104431 is 134401431121232.

It is not a de Polignac number, because 232121134104431 - 2¹⁰ = 232121134103407 is a prime.

It is a super-2 number, since 2×232121134104431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121134103431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113027546 + ... + 115062888.

It is an arithmetic number, because the mean of its divisors is an integer number (8541435075264).

Almost surely, 2^{232121134104431} is an apocalyptic number.

232121134104431 is a deficient number, since it is larger than the sum of its proper divisors (41204788304017).

232121134104431 is a wasteful number, since it uses less digits than its factorization.

232121134104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037191.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 232121134104431 its reverse (134401431121232), we get a palindrome (366522565225663).

The spelling of 232121134104431 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, one hundred thirty-four million, one hundred four thousand, four hundred thirty-one".