1315220352 has 64 divisors (see below), whose sum is σ = 3588013200. Its totient is φ = 426553344.

The previous prime is 1315220323. The next prime is 1315220369. The reversal of 1315220352 is 2530225131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 32077 + ... + 60492.

Almost surely, 2^1315220352 is an apocalyptic number.

1315220352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315220352 is an abundant number, since it is smaller than the sum of its proper divisors (2272792848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315220352 is an equidigital number, since it uses as much as digits as its factorization.

1315220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92623 (or 92611 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1315220352 is about 36265.9668559932. The cubic root of 1315220352 is about 1095.6356968482.

Adding to 1315220352 its reverse (2530225131), we get a palindrome (3845445483).

The spelling of 1315220352 in words is "one billion, three hundred fifteen million, two hundred twenty thousand, three hundred fifty-two".