1313221034 has 8 divisors (see below), whose sum is σ = 1973155140. Its totient is φ = 655502656.

The previous prime is 1313221027. The next prime is 1313221067. The reversal of 1313221034 is 4301223131.

It can be written as a sum of positive squares in 2 ways, for example, as 1249269025 + 63952009 = 35345^2 + 7997^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1313220997 and 1313221015.

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, 552449 + ... + 554820.

Almost surely, 2^1313221034 is an apocalyptic number.

1313221034 is a deficient number, since it is larger than the sum of its proper divisors (659934106).

1313221034 is a wasteful number, since it uses less digits than its factorization.

1313221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107864.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1313221034 is about 36238.3917137612. The cubic root of 1313221034 is about 1095.0802423769.

Adding to 1313221034 its reverse (4301223131), we get a palindrome (5614444165).

The spelling of 1313221034 in words is "one billion, three hundred thirteen million, two hundred twenty-one thousand, thirty-four".