4231311232403 has 4 divisors (see below), whose sum is σ = 4231967154408. Its totient is φ = 4230655310400.

The previous prime is 4231311232373. The next prime is 4231311232429. The reversal of 4231311232403 is 3042321131324.

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 4231311232403 - 2¹⁰ = 4231311231379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4231311231403) 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, 327951326 + ... + 327964227.

It is an arithmetic number, because the mean of its divisors is an integer number (1057991788602).

Almost surely, 2^{4231311232403} is an apocalyptic number.

4231311232403 is a deficient number, since it is larger than the sum of its proper divisors (655922005).

4231311232403 is an equidigital number, since it uses as much as digits as its factorization.

4231311232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655922004.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 4231311232403 its reverse (3042321131324), we get a palindrome (7273632363727).

The spelling of 4231311232403 in words is "four trillion, two hundred thirty-one billion, three hundred eleven million, two hundred thirty-two thousand, four hundred three".