1313201219 has 16 divisors (see below), whose sum is σ = 1445839200. Its totient is φ = 1182816000.

The previous prime is 1313201213. The next prime is 1313201237. The reversal of 1313201219 is 9121023131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313201219 is a prime.

It is a super-2 number, since 2×1313201219² = 3448994883166171922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313201194 and 1313201203.

It is not an unprimeable number, because it can be changed into a prime (1313201213) 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, 885959 + ... + 887439.

It is an arithmetic number, because the mean of its divisors is an integer number (90364950).

Almost surely, 2^1313201219 is an apocalyptic number.

1313201219 is a deficient number, since it is larger than the sum of its proper divisors (132637981).

1313201219 is a wasteful number, since it uses less digits than its factorization.

1313201219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1313201219 is about 36238.1183148353. The cubic root of 1313201219 is about 1095.0747345140.

The spelling of 1313201219 in words is "one billion, three hundred thirteen million, two hundred one thousand, two hundred nineteen".