231020106 has 16 divisors (see below), whose sum is σ = 489219264. Its totient is φ = 72476864.

The previous prime is 231020099. The next prime is 231020113. The reversal of 231020106 is 601020132.

It is an interprime number because it is at equal distance from previous prime (231020099) and next prime (231020113).

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 7 ways as a sum of consecutive naturals, for example, 1132350 + ... + 1132553.

It is an arithmetic number, because the mean of its divisors is an integer number (30576204).

Almost surely, 2^231020106 is an apocalyptic number.

231020106 is an abundant number, since it is smaller than the sum of its proper divisors (258199158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231020106 is a wasteful number, since it uses less digits than its factorization.

231020106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264925.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 231020106 is about 15199.3455780175. The cubic root of 231020106 is about 613.5970452164.

Adding to 231020106 its reverse (601020132), we get a palindrome (832040238).

The spelling of 231020106 in words is "two hundred thirty-one million, twenty thousand, one hundred six".