13105213530 has 32 divisors (see below), whose sum is σ = 31473771264. Its totient is φ = 3492361536.

The previous prime is 13105213519. The next prime is 13105213531. The reversal of 13105213530 is 3531250131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105213530.

It is not an unprimeable number, because it can be changed into a prime (13105213531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102277 + ... + 191496.

It is an arithmetic number, because the mean of its divisors is an integer number (983555352).

Almost surely, 2^13105213530 is an apocalyptic number.

13105213530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105213530 is an abundant number, since it is smaller than the sum of its proper divisors (18368557734).

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

13105213530 is a wasteful number, since it uses less digits than its factorization.

13105213530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295270.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 13105213530 its reverse (3531250131), we get a palindrome (16636463661).

The spelling of 13105213530 in words is "thirteen billion, one hundred five million, two hundred thirteen thousand, five hundred thirty".