1213113130 has 8 divisors (see below), whose sum is σ = 2183603652. Its totient is φ = 485245248.

The previous prime is 1213113113. The next prime is 1213113133. The reversal of 1213113130 is 313113121.

It can be written as a sum of positive squares in 2 ways, for example, as 1210413681 + 2699449 = 34791^2 + 1643^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1213113133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60655647 + ... + 60655666.

Almost surely, 2^1213113130 is an apocalyptic number.

1213113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213113130 is a deficient number, since it is larger than the sum of its proper divisors (970490522).

1213113130 is a wasteful number, since it uses less digits than its factorization.

1213113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121311320.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1213113130 is about 34829.7736139642. The cubic root of 1213113130 is about 1066.5153269446.

Adding to 1213113130 its reverse (313113121), we get a palindrome (1526226251).

Subtracting from 1213113130 its reverse (313113121), we obtain a palindrome (900000009).

The spelling of 1213113130 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, one hundred thirty".