231021124403 has 16 divisors (see below), whose sum is σ = 236303464320. Its totient is φ = 225803974656.

The previous prime is 231021124349. The next prime is 231021124421. The reversal of 231021124403 is 304421120132.

It is a cyclic number.

It is not a de Polignac number, because 231021124403 - 2¹² = 231021120307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231021124003) 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 15 ways as a sum of consecutive naturals, for example, 6812576 + ... + 6846402.

It is an arithmetic number, because the mean of its divisors is an integer number (14768966520).

Almost surely, 2^231021124403 is an apocalyptic number.

231021124403 is a deficient number, since it is larger than the sum of its proper divisors (5282339917).

231021124403 is a wasteful number, since it uses less digits than its factorization.

231021124403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34786.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 231021124403 its reverse (304421120132), we get a palindrome (535442244535).

The spelling of 231021124403 in words is "two hundred thirty-one billion, twenty-one million, one hundred twenty-four thousand, four hundred three".