13155312002 has 32 divisors (see below), whose sum is σ = 22988530944. Its totient is φ = 5528952000.

The previous prime is 13155311899. The next prime is 13155312013. The reversal of 13155312002 is 20021355131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654627 + ... + 2659577.

It is an arithmetic number, because the mean of its divisors is an integer number (718391592).

Almost surely, 2^13155312002 is an apocalyptic number.

13155312002 is a deficient number, since it is larger than the sum of its proper divisors (9833218942).

13155312002 is a wasteful number, since it uses less digits than its factorization.

13155312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13155312002 its reverse (20021355131), we get a palindrome (33176667133).

The spelling of 13155312002 in words is "thirteen billion, one hundred fifty-five million, three hundred twelve thousand, two".