9903231220231 has 8 divisors (see below), whose sum is σ = 10039868375040. Its totient is φ = 9766620456192.

The previous prime is 9903231220229. The next prime is 9903231220261. The reversal of 9903231220231 is 1320221323099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9903231220231 - 2¹ = 9903231220229 is a prime.

It is a super-2 number, since 2×9903231220231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903231220261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5841415 + ... + 7343608.

It is an arithmetic number, because the mean of its divisors is an integer number (1254983546880).

Almost surely, 2^{9903231220231} is an apocalyptic number.

9903231220231 is a deficient number, since it is larger than the sum of its proper divisors (136637154809).

9903231220231 is a wasteful number, since it uses less digits than its factorization.

9903231220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195385.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 9903231220231 in words is "nine trillion, nine hundred three billion, two hundred thirty-one million, two hundred twenty thousand, two hundred thirty-one".