231202310103 has 24 divisors (see below), whose sum is σ = 353774798000. Its totient is φ = 145092415104.

The previous prime is 231202310081. The next prime is 231202310117. The reversal of 231202310103 is 301013202132.

231202310103 is a `hidden beast` number, since 231 + 20 + 2 + 310 + 103 = 666.

It is not a de Polignac number, because 231202310103 - 2²⁴ = 231185532887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231202310123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4279078 + ... + 4332771.

Almost surely, 2^231202310103 is an apocalyptic number.

231202310103 is a deficient number, since it is larger than the sum of its proper divisors (122572487897).

231202310103 is a wasteful number, since it uses less digits than its factorization.

231202310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612031 (or 8612028 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231202310103 its reverse (301013202132), we get a palindrome (532215512235).

The spelling of 231202310103 in words is "two hundred thirty-one billion, two hundred two million, three hundred ten thousand, one hundred three".