1211331230 has 8 divisors (see below), whose sum is σ = 2180396232. Its totient is φ = 484532488.

The previous prime is 1211331227. The next prime is 1211331259. The reversal of 1211331230 is 321331121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211331199 and 1211331208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60566552 + ... + 60566571.

It is an arithmetic number, because the mean of its divisors is an integer number (272549529).

Almost surely, 2^1211331230 is an apocalyptic number.

1211331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211331230 is a deficient number, since it is larger than the sum of its proper divisors (969065002).

1211331230 is a wasteful number, since it uses less digits than its factorization.

1211331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121133130.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1211331230 is about 34804.1840875490. The cubic root of 1211331230 is about 1065.9928818780.

Adding to 1211331230 its reverse (321331121), we get a palindrome (1532662351).

The spelling of 1211331230 in words is "one billion, two hundred eleven million, three hundred thirty-one thousand, two hundred thirty".