13134231312402 has 16 divisors (see below), whose sum is σ = 27813666308832. Its totient is φ = 4120543156800.

The previous prime is 13134231312401. The next prime is 13134231312403. The reversal of 13134231312402 is 20421313243131.

It is an interprime number because it is at equal distance from previous prime (13134231312401) and next prime (13134231312403).

It is a self number, because there is not a number n which added to its sum of digits gives 13134231312402.

It is not an unprimeable number, because it can be changed into a prime (13134231312401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64383486724 + ... + 64383486927.

It is an arithmetic number, because the mean of its divisors is an integer number (1738354144302).

Almost surely, 2^{13134231312402} is an apocalyptic number.

13134231312402 is an abundant number, since it is smaller than the sum of its proper divisors (14679434996430).

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

13134231312402 is a wasteful number, since it uses less digits than its factorization.

13134231312402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128766973673.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13134231312402 its reverse (20421313243131), we get a palindrome (33555544555533).

The spelling of 13134231312402 in words is "thirteen trillion, one hundred thirty-four billion, two hundred thirty-one million, three hundred twelve thousand, four hundred two".