1213143130 has 8 divisors (see below), whose sum is σ = 2183657652. Its totient is φ = 485257248.

The previous prime is 1213143121. The next prime is 1213143143. The reversal of 1213143130 is 313413121.

It can be written as a sum of positive squares in 2 ways, for example, as 1207493001 + 5650129 = 34749^2 + 2377^2 .

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 = 1213143098 and 1213143107.

It is an unprimeable number.

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, 60657147 + ... + 60657166.

Almost surely, 2^1213143130 is an apocalyptic number.

1213143130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213143130 is a deficient number, since it is larger than the sum of its proper divisors (970514522).

1213143130 is a wasteful number, since it uses less digits than its factorization.

1213143130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121314320.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1213143130 is about 34830.2042773223. The cubic root of 1213143130 is about 1066.5241184291.

Adding to 1213143130 its reverse (313413121), we get a palindrome (1526556251).

The spelling of 1213143130 in words is "one billion, two hundred thirteen million, one hundred forty-three thousand, one hundred thirty".