13120312302 has 12 divisors (see below), whose sum is σ = 28427343360. Its totient is φ = 4373437428.

The previous prime is 13120312279. The next prime is 13120312321. The reversal of 13120312302 is 20321302131.

13120312302 is a `hidden beast` number, since 1 + 31 + 20 + 312 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 728906239 = 13120312302 / (1 + 3 + 1 + 2 + 0 + 3 + 1 + 2 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364453102 + ... + 364453137.

It is an arithmetic number, because the mean of its divisors is an integer number (2368945280).

Almost surely, 2^13120312302 is an apocalyptic number.

13120312302 is an abundant number, since it is smaller than the sum of its proper divisors (15307031058).

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

13120312302 is a wasteful number, since it uses less digits than its factorization.

13120312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728906247 (or 728906244 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13120312302 its reverse (20321302131), we get a palindrome (33441614433).

The spelling of 13120312302 in words is "thirteen billion, one hundred twenty million, three hundred twelve thousand, three hundred two".