1213303130 has 64 divisors (see below), whose sum is σ = 2484276480. Its totient is φ = 423261696.

The previous prime is 1213303129. The next prime is 1213303139. The reversal of 1213303130 is 313033121.

It is a junction number, because it is equal to n+sod(n) for n = 1213303099 and 1213303108.

It is not an unprimeable number, because it can be changed into a prime (1213303139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245726 + ... + 250614.

It is an arithmetic number, because the mean of its divisors is an integer number (38816820).

Almost surely, 2^1213303130 is an apocalyptic number.

1213303130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213303130 is an abundant number, since it is smaller than the sum of its proper divisors (1270973350).

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

1213303130 is a wasteful number, since it uses less digits than its factorization.

1213303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1213303130 is about 34832.5010586378. The cubic root of 1213303130 is about 1066.5710038992.

Adding to 1213303130 its reverse (313033121), we get a palindrome (1526336251).

The spelling of 1213303130 in words is "one billion, two hundred thirteen million, three hundred three thousand, one hundred thirty".