231020220431003 has 8 divisors (see below), whose sum is σ = 232498410001968. Its totient is φ = 229543672384224.

The previous prime is 231020220430999. The next prime is 231020220431041. The reversal of 231020220431003 is 300134022020132.

231020220431003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231020220431003 - 2² = 231020220430999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231020220431003.

It is not an unprimeable number, because it can be changed into a prime (231020220431303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410098676 + ... + 410661617.

It is an arithmetic number, because the mean of its divisors is an integer number (29062301250246).

Almost surely, 2^{231020220431003} is an apocalyptic number.

231020220431003 is a deficient number, since it is larger than the sum of its proper divisors (1478189570965).

231020220431003 is a wasteful number, since it uses less digits than its factorization.

231020220431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820762093.

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

Adding to 231020220431003 its reverse (300134022020132), we get a palindrome (531154242451135).

The spelling of 231020220431003 in words is "two hundred thirty-one trillion, twenty billion, two hundred twenty million, four hundred thirty-one thousand, three".