1211313359 has 8 divisors (see below), whose sum is σ = 1289656368. Its totient is φ = 1133758080.

The previous prime is 1211313349. The next prime is 1211313401. The reversal of 1211313359 is 9533131121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211313359 - 2⁴ = 1211313343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211313329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193757 + ... + 199910.

It is an arithmetic number, because the mean of its divisors is an integer number (161207046).

Almost surely, 2^1211313359 is an apocalyptic number.

1211313359 is a deficient number, since it is larger than the sum of its proper divisors (78343009).

1211313359 is a wasteful number, since it uses less digits than its factorization.

1211313359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393865.

The product of its digits is 2430, while the sum is 29.

The square root of 1211313359 is about 34803.9273502287. The cubic root of 1211313359 is about 1065.9876395870.

The spelling of 1211313359 in words is "one billion, two hundred eleven million, three hundred thirteen thousand, three hundred fifty-nine".