13015405316 has 6 divisors (see below), whose sum is σ = 22776959310. Its totient is φ = 6507702656.

The previous prime is 13015405223. The next prime is 13015405339. The reversal of 13015405316 is 61350451031.

It can be written as a sum of positive squares in only one way, i.e., 12790705216 + 224700100 = 113096^2 + 14990^2 .

It is a super-2 number, since 2×13015405316² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626925661 + ... + 1626925668.

It is an arithmetic number, because the mean of its divisors is an integer number (3796159885).

Almost surely, 2^13015405316 is an apocalyptic number.

It is an amenable number.

13015405316 is a deficient number, since it is larger than the sum of its proper divisors (9761553994).

13015405316 is a wasteful number, since it uses less digits than its factorization.

13015405316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253851333 (or 3253851331 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13015405316 its reverse (61350451031), we get a palindrome (74365856347).

The spelling of 13015405316 in words is "thirteen billion, fifteen million, four hundred five thousand, three hundred sixteen".