1315244330 has 16 divisors (see below), whose sum is σ = 2425182984. Its totient is φ = 513265920.

The previous prime is 1315244317. The next prime is 1315244339. The reversal of 1315244330 is 334425131.

It can be written as a sum of positive squares in 4 ways, for example, as 361114009 + 954130321 = 19003^2 + 30889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1315244330.

It is not an unprimeable number, because it can be changed into a prime (1315244339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1603547 + ... + 1604366.

Almost surely, 2^1315244330 is an apocalyptic number.

1315244330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315244330 is a deficient number, since it is larger than the sum of its proper divisors (1109938654).

1315244330 is a wasteful number, since it uses less digits than its factorization.

1315244330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207961.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1315244330 is about 36266.2974399097. The cubic root of 1315244330 is about 1095.6423550463.

Adding to 1315244330 its reverse (334425131), we get a palindrome (1649669461).

The spelling of 1315244330 in words is "one billion, three hundred fifteen million, two hundred forty-four thousand, three hundred thirty".