1313223130 has 8 divisors (see below), whose sum is σ = 2363801652. Its totient is φ = 525289248.

The previous prime is 1313223101. The next prime is 1313223221. The reversal of 1313223130 is 313223131.

It can be written as a sum of positive squares in 2 ways, for example, as 1076955489 + 236267641 = 32817^2 + 15371^2 .

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 = 1313223098 and 1313223107.

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, 65661147 + ... + 65661166.

Almost surely, 2^1313223130 is an apocalyptic number.

1313223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313223130 is a deficient number, since it is larger than the sum of its proper divisors (1050578522).

1313223130 is a wasteful number, since it uses less digits than its factorization.

1313223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131322320.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1313223130 is about 36238.4206333554. The cubic root of 1313223130 is about 1095.0808249869.

Adding to 1313223130 its reverse (313223131), we get a palindrome (1626446261).

Subtracting from 1313223130 its reverse (313223131), we obtain a palindrome (999999999).

The spelling of 1313223130 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred thirty".