231332100130 has 32 divisors (see below), whose sum is σ = 431034534000. Its totient is φ = 89284349952.

The previous prime is 231332100121. The next prime is 231332100157. The reversal of 231332100130 is 31001233132.

It can be written as a sum of positive squares in 8 ways, for example, as 27142892001 + 204189208129 = 164751^2 + 451873^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231332100098 and 231332100107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193546 + ... + 707194.

Almost surely, 2^231332100130 is an apocalyptic number.

231332100130 is a deficient number, since it is larger than the sum of its proper divisors (199702433870).

231332100130 is a wasteful number, since it uses less digits than its factorization.

231332100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515238.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231332100130 its reverse (31001233132), we get a palindrome (262333333262).

The spelling of 231332100130 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred thousand, one hundred thirty".