231100407447 has 16 divisors (see below), whose sum is σ = 379241694720. Its totient is φ = 121899115872.

The previous prime is 231100407367. The next prime is 231100407457. The reversal of 231100407447 is 744704001132.

It is not a de Polignac number, because 231100407447 - 2²⁴ = 231083630231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100407457) 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, 423260547 + ... + 423261092.

It is an arithmetic number, because the mean of its divisors is an integer number (23702605920).

Almost surely, 2^231100407447 is an apocalyptic number.

231100407447 is a deficient number, since it is larger than the sum of its proper divisors (148141287273).

231100407447 is a wasteful number, since it uses less digits than its factorization.

231100407447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846521662.

The product of its (nonzero) digits is 18816, while the sum is 33.

Adding to 231100407447 its reverse (744704001132), we get a palindrome (975804408579).

The spelling of 231100407447 in words is "two hundred thirty-one billion, one hundred million, four hundred seven thousand, four hundred forty-seven".