1314215513 has 4 divisors (see below), whose sum is σ = 1415309028. Its totient is φ = 1213122000.

The previous prime is 1314215459. The next prime is 1314215521. The reversal of 1314215513 is 3155124131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 745726864 + 568488649 = 27308^2 + 23843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314215513 - 2¹⁴ = 1314199129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314215713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50546738 + ... + 50546763.

It is an arithmetic number, because the mean of its divisors is an integer number (353827257).

Almost surely, 2^1314215513 is an apocalyptic number.

1314215513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1314215513 is a deficient number, since it is larger than the sum of its proper divisors (101093515).

1314215513 is a wasteful number, since it uses less digits than its factorization.

1314215513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101093514.

The product of its digits is 1800, while the sum is 26.

The square root of 1314215513 is about 36252.1104627027. The cubic root of 1314215513 is about 1095.3566009105.

Adding to 1314215513 its reverse (3155124131), we get a palindrome (4469339644).

The spelling of 1314215513 in words is "one billion, three hundred fourteen million, two hundred fifteen thousand, five hundred thirteen".