1313201512 has 16 divisors (see below), whose sum is σ = 2814003360. Its totient is φ = 562800624.

The previous prime is 1313201503. The next prime is 1313201557. The reversal of 1313201512 is 2151023131.

It is a super-2 number, since 2×1313201512² = 3448996422238172288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313201512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11724958 + ... + 11725069.

It is an arithmetic number, because the mean of its divisors is an integer number (175875210).

Almost surely, 2^1313201512 is an apocalyptic number.

It is an amenable number.

1313201512 is an abundant number, since it is smaller than the sum of its proper divisors (1500801848).

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

1313201512 is a wasteful number, since it uses less digits than its factorization.

1313201512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23450040 (or 23450036 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1313201512 is about 36238.1223575394. The cubic root of 1313201512 is about 1095.0748159580.

Adding to 1313201512 its reverse (2151023131), we get a palindrome (3464224643).

The spelling of 1313201512 in words is "one billion, three hundred thirteen million, two hundred one thousand, five hundred twelve".