1315213502 has 16 divisors (see below), whose sum is σ = 2079793152. Its totient is φ = 622851960.

The previous prime is 1315213499. The next prime is 1315213547. The reversal of 1315213502 is 2053125131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222758 + ... + 228585.

It is an arithmetic number, because the mean of its divisors is an integer number (129987072).

Almost surely, 2^1315213502 is an apocalyptic number.

1315213502 is a deficient number, since it is larger than the sum of its proper divisors (764579650).

1315213502 is a wasteful number, since it uses less digits than its factorization.

1315213502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451423.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1315213502 is about 36265.8724147097. The cubic root of 1315213502 is about 1095.6337947290.

Adding to 1315213502 its reverse (2053125131), we get a palindrome (3368338633).

The spelling of 1315213502 in words is "one billion, three hundred fifteen million, two hundred thirteen thousand, five hundred two".