1213503314 has 8 divisors (see below), whose sum is σ = 1820528460. Its totient is φ = 606660496.

The previous prime is 1213503307. The next prime is 1213503323. The reversal of 1213503314 is 4133053121.

It can be written as a sum of positive squares in 2 ways, for example, as 886074289 + 327429025 = 29767^2 + 18095^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1213503314.

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, 27509 + ... + 56424.

Almost surely, 2^1213503314 is an apocalyptic number.

1213503314 is a deficient number, since it is larger than the sum of its proper divisors (607025146).

1213503314 is an equidigital number, since it uses as much as digits as its factorization.

1213503314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91164.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1213503314 is about 34835.3744633239. The cubic root of 1213503314 is about 1066.6296588506.

Adding to 1213503314 its reverse (4133053121), we get a palindrome (5346556435).

The spelling of 1213503314 in words is "one billion, two hundred thirteen million, five hundred three thousand, three hundred fourteen".