231130221300 has 108 divisors (see below), whose sum is σ = 790325311776. Its totient is φ = 56031566400.

The previous prime is 231130221271. The next prime is 231130221317. The reversal of 231130221300 is 3122031132.

231130221300 is a `hidden beast` number, since 2 + 311 + 30 + 2 + 21 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11663344 + ... + 11683143.

Almost surely, 2^231130221300 is an apocalyptic number.

231130221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231130221300 is an abundant number, since it is smaller than the sum of its proper divisors (559195090476).

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

231130221300 is a wasteful number, since it uses less digits than its factorization.

231130221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23346518 (or 23346508 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231130221300 its reverse (3122031132), we get a palindrome (234252252432).

The spelling of 231130221300 in words is "two hundred thirty-one billion, one hundred thirty million, two hundred twenty-one thousand, three hundred".