1315354212 has 36 divisors (see below), whose sum is σ = 3387662460. Its totient is φ = 430178112.

The previous prime is 1315354151. The next prime is 1315354213. The reversal of 1315354212 is 2124535131.

It can be written as a sum of positive squares in 2 ways, for example, as 681523236 + 633830976 = 26106^2 + 25176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1315354212² = 3460313406052281888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315354213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342787 + ... + 346602.

It is an arithmetic number, because the mean of its divisors is an integer number (94101735).

Almost surely, 2^1315354212 is an apocalyptic number.

1315354212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315354212 is an abundant number, since it is smaller than the sum of its proper divisors (2072308248).

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

1315354212 is a wasteful number, since it uses less digits than its factorization.

1315354212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689452 (or 689447 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1315354212 is about 36267.8123409725. The cubic root of 1315354212 is about 1095.6728659859.

Adding to 1315354212 its reverse (2124535131), we get a palindrome (3439889343).

The spelling of 1315354212 in words is "one billion, three hundred fifteen million, three hundred fifty-four thousand, two hundred twelve".