13004230312 has 8 divisors (see below), whose sum is σ = 24382931850. Its totient is φ = 6502115152.

The previous prime is 13004230303. The next prime is 13004230313. The reversal of 13004230312 is 21303240031.

It can be written as a sum of positive squares in only one way, i.e., 12869994916 + 134235396 = 113446^2 + 11586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13004230312² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13004230312.

It is not an unprimeable number, because it can be changed into a prime (13004230313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812764387 + ... + 812764402.

Almost surely, 2^13004230312 is an apocalyptic number.

It is an amenable number.

13004230312 is a deficient number, since it is larger than the sum of its proper divisors (11378701538).

13004230312 is a wasteful number, since it uses less digits than its factorization.

13004230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625528795 (or 1625528791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13004230312 its reverse (21303240031), we get a palindrome (34307470343).

The spelling of 13004230312 in words is "thirteen billion, four million, two hundred thirty thousand, three hundred twelve".