231311940603 has 8 divisors (see below), whose sum is σ = 309169995600. Its totient is φ = 153830923008.

The previous prime is 231311940599. The next prime is 231311940611. The reversal of 231311940603 is 306049113132.

It is a happy number.

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

It is not a de Polignac number, because 231311940603 - 2² = 231311940599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231311940683) 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 7 ways as a sum of consecutive naturals, for example, 94257918 + ... + 94260371.

It is an arithmetic number, because the mean of its divisors is an integer number (38646249450).

Almost surely, 2^231311940603 is an apocalyptic number.

231311940603 is a deficient number, since it is larger than the sum of its proper divisors (77858054997).

231311940603 is a wasteful number, since it uses less digits than its factorization.

231311940603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188518701.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 231311940603 in words is "two hundred thirty-one billion, three hundred eleven million, nine hundred forty thousand, six hundred three".