1315541233 has 8 divisors (see below), whose sum is σ = 1344245760. Its totient is φ = 1287449380.

The previous prime is 1315541207. The next prime is 1315541237. The reversal of 1315541233 is 3321455131.

It is a happy number.

It is not a de Polignac number, because 1315541233 - 2¹³ = 1315533041 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315541237) 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, 97488 + ... + 110158.

It is an arithmetic number, because the mean of its divisors is an integer number (168030720).

Almost surely, 2^1315541233 is an apocalyptic number.

It is an amenable number.

1315541233 is a deficient number, since it is larger than the sum of its proper divisors (28704527).

1315541233 is an frugal number, since it uses more digits than its factorization.

1315541233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12812 (or 12718 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1315541233 is about 36270.3905824021. The cubic root of 1315541233 is about 1095.7247922078.

Adding to 1315541233 its reverse (3321455131), we get a palindrome (4636996364).

The spelling of 1315541233 in words is "one billion, three hundred fifteen million, five hundred forty-one thousand, two hundred thirty-three".