231302031103 has 32 divisors (see below), whose sum is σ = 281550205440. Its totient is φ = 187112903040.

The previous prime is 231302031049. The next prime is 231302031143. The reversal of 231302031103 is 301130203132.

It is a cyclic number.

It is not a de Polignac number, because 231302031103 - 2¹³ = 231302022911 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 (231302031143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2623150 + ... + 2709892.

It is an arithmetic number, because the mean of its divisors is an integer number (8798443920).

Almost surely, 2^231302031103 is an apocalyptic number.

231302031103 is a deficient number, since it is larger than the sum of its proper divisors (50248174337).

231302031103 is a wasteful number, since it uses less digits than its factorization.

231302031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87439.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231302031103 its reverse (301130203132), we get a palindrome (532432234235).

The spelling of 231302031103 in words is "two hundred thirty-one billion, three hundred two million, thirty-one thousand, one hundred three".