231646202103 has 16 divisors (see below), whose sum is σ = 314026652000. Its totient is φ = 151849918080.

The previous prime is 231646202071. The next prime is 231646202143. The reversal of 231646202103 is 301202646132.

It is not a de Polignac number, because 231646202103 - 2⁵ = 231646202071 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 (231646202143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365373 + ... + 772521.

It is an arithmetic number, because the mean of its divisors is an integer number (19626665750).

Almost surely, 2^231646202103 is an apocalyptic number.

231646202103 is a deficient number, since it is larger than the sum of its proper divisors (82380449897).

231646202103 is a wasteful number, since it uses less digits than its factorization.

231646202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410322.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 231646202103 its reverse (301202646132), we get a palindrome (532848848235).

The spelling of 231646202103 in words is "two hundred thirty-one billion, six hundred forty-six million, two hundred two thousand, one hundred three".