542435232231 has 36 divisors (see below), whose sum is σ = 830475929088. Its totient is φ = 341119850688.

The previous prime is 542435232223. The next prime is 542435232319. The reversal of 542435232231 is 132232534245.

542435232231 is a `hidden beast` number, since 5 + 42 + 4 + 352 + 32 + 231 = 666.

It is not a de Polignac number, because 542435232231 - 2³ = 542435232223 is a prime.

It is a super-2 number, since 2×542435232231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542435233231) 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 35 ways as a sum of consecutive naturals, for example, 398746 + ... + 1115288.

It is an arithmetic number, because the mean of its divisors is an integer number (23068775808).

Almost surely, 2^542435232231 is an apocalyptic number.

542435232231 is a deficient number, since it is larger than the sum of its proper divisors (288040696857).

542435232231 is a wasteful number, since it uses less digits than its factorization.

542435232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716820 (or 716798 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 542435232231 its reverse (132232534245), we get a palindrome (674667766476).

The spelling of 542435232231 in words is "five hundred forty-two billion, four hundred thirty-five million, two hundred thirty-two thousand, two hundred thirty-one".