231040206302 has 16 divisors (see below), whose sum is σ = 364809874560. Its totient is φ = 109437233112.

The previous prime is 231040206251. The next prime is 231040206361. The reversal of 231040206302 is 203602040132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2372993 + ... + 2468435.

It is an arithmetic number, because the mean of its divisors is an integer number (22800617160).

Almost surely, 2^231040206302 is an apocalyptic number.

231040206302 is a deficient number, since it is larger than the sum of its proper divisors (133769668258).

231040206302 is a wasteful number, since it uses less digits than its factorization.

231040206302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159167.

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

Adding to 231040206302 its reverse (203602040132), we get a palindrome (434642246434).

The spelling of 231040206302 in words is "two hundred thirty-one billion, forty million, two hundred six thousand, three hundred two".