231324100403 has 4 divisors (see below), whose sum is σ = 252353564088. Its totient is φ = 210294636720.

The previous prime is 231324100361. The next prime is 231324100421. The reversal of 231324100403 is 304001423132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231324100403 - 2⁶ = 231324100339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231324100453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10514731826 + ... + 10514731847.

It is an arithmetic number, because the mean of its divisors is an integer number (63088391022).

Almost surely, 2^231324100403 is an apocalyptic number.

231324100403 is a deficient number, since it is larger than the sum of its proper divisors (21029463685).

231324100403 is a wasteful number, since it uses less digits than its factorization.

231324100403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029463684.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231324100403 its reverse (304001423132), we get a palindrome (535325523535).

The spelling of 231324100403 in words is "two hundred thirty-one billion, three hundred twenty-four million, one hundred thousand, four hundred three".