231507004055 has 16 divisors (see below), whose sum is σ = 280620849600. Its totient is φ = 183331449600.

The previous prime is 231507004051. The next prime is 231507004111. The reversal of 231507004055 is 550400705132.

It is not a de Polignac number, because 231507004055 - 2² = 231507004051 is a prime.

It is a super-3 number, since 3×231507004055³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231507004051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355131 + ... + 2451459.

It is an arithmetic number, because the mean of its divisors is an integer number (17538803100).

Almost surely, 2^231507004055 is an apocalyptic number.

231507004055 is a deficient number, since it is larger than the sum of its proper divisors (49113845545).

231507004055 is a wasteful number, since it uses less digits than its factorization.

231507004055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101194.

The product of its (nonzero) digits is 21000, while the sum is 32.

Adding to 231507004055 its reverse (550400705132), we get a palindrome (781907709187).

The spelling of 231507004055 in words is "two hundred thirty-one billion, five hundred seven million, four thousand, fifty-five".