231000320102 has 16 divisors (see below), whose sum is σ = 347453832960. Its totient is φ = 115182779712.

The previous prime is 231000320063. The next prime is 231000320197. The reversal of 231000320102 is 201023000132.

It is a happy number.

It is a super-2 number, since 2×231000320102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052603 + ... + 1252985.

It is an arithmetic number, because the mean of its divisors is an integer number (21715864560).

Almost surely, 2^231000320102 is an apocalyptic number.

231000320102 is a deficient number, since it is larger than the sum of its proper divisors (116453512858).

231000320102 is a wasteful number, since it uses less digits than its factorization.

231000320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201967.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 231000320102 its reverse (201023000132), we get a palindrome (432023320234).

The spelling of 231000320102 in words is "two hundred thirty-one billion, three hundred twenty thousand, one hundred two".