231020102 has 8 divisors (see below), whose sum is σ = 348173112. Its totient is φ = 114962400.

The previous prime is 231020099. The next prime is 231020113. The reversal of 231020102 is 201020132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273299 + ... + 274142.

It is an arithmetic number, because the mean of its divisors is an integer number (43521639).

Almost surely, 2^231020102 is an apocalyptic number.

231020102 is a deficient number, since it is larger than the sum of its proper divisors (117153010).

231020102 is a wasteful number, since it uses less digits than its factorization.

231020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547654.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 231020102 is about 15199.3454464329. The cubic root of 231020102 is about 613.5970416750.

Adding to 231020102 its reverse (201020132), we get a palindrome (432040234).

The spelling of 231020102 in words is "two hundred thirty-one million, twenty thousand, one hundred two".