231700042366 has 16 divisors (see below), whose sum is σ = 374325714000. Its totient is φ = 106926758208.

The previous prime is 231700042337. The next prime is 231700042393. The reversal of 231700042366 is 663240007132.

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, 244416 + ... + 723283.

It is an arithmetic number, because the mean of its divisors is an integer number (23395357125).

Almost surely, 2^231700042366 is an apocalyptic number.

231700042366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231700042366 is a deficient number, since it is larger than the sum of its proper divisors (142625671634).

231700042366 is a wasteful number, since it uses less digits than its factorization.

231700042366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976923.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 231700042366 its reverse (663240007132), we get a palindrome (894940049498).

The spelling of 231700042366 in words is "two hundred thirty-one billion, seven hundred million, forty-two thousand, three hundred sixty-six".