1213113230 has 32 divisors (see below), whose sum is σ = 2496960000. Its totient is φ = 415689120.

The previous prime is 1213113229. The next prime is 1213113233. The reversal of 1213113230 is 323113121.

It is a junction number, because it is equal to n+sod(n) for n = 1213113199 and 1213113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213113233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158021 + ... + 165519.

It is an arithmetic number, because the mean of its divisors is an integer number (78030000).

Almost surely, 2^1213113230 is an apocalyptic number.

1213113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213113230 is an abundant number, since it is smaller than the sum of its proper divisors (1283846770).

1213113230 is a wasteful number, since it uses less digits than its factorization.

1213113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824.

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

The square root of 1213113230 is about 34829.7750495176. The cubic root of 1213113230 is about 1066.5153562498.

Adding to 1213113230 its reverse (323113121), we get a palindrome (1536226351).

The spelling of 1213113230 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, two hundred thirty".