231130102 has 16 divisors (see below), whose sum is σ = 397406880. Its totient is φ = 98759808.

The previous prime is 231130099. The next prime is 231130103. The reversal of 231130102 is 201031132.

It is a super-2 number, since 2×231130102² = 106842248101060808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130103) by changing a digit.

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, 19777 + ... + 29212.

It is an arithmetic number, because the mean of its divisors is an integer number (24837930).

Almost surely, 2^231130102 is an apocalyptic number.

231130102 is a deficient number, since it is larger than the sum of its proper divisors (166276778).

231130102 is a wasteful number, since it uses less digits than its factorization.

231130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49335.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231130102 is about 15202.9635926684. The cubic root of 231130102 is about 613.6944141030.

Adding to 231130102 its reverse (201031132), we get a palindrome (432161234).

The spelling of 231130102 in words is "two hundred thirty-one million, one hundred thirty thousand, one hundred two".