13131011312002 has 8 divisors (see below), whose sum is σ = 19828708357500. Its totient is φ = 6521441859504.

The previous prime is 13131011311991. The next prime is 13131011312009. The reversal of 13131011312002 is 20021311013131.

It can be written as a sum of positive squares in 2 ways, for example, as 13127353602561 + 3657709441 = 3623169^2 + 60479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13131011312009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22031897877 + ... + 22031898472.

Almost surely, 2^{13131011312002} is an apocalyptic number.

13131011312002 is a deficient number, since it is larger than the sum of its proper divisors (6697697045498).

13131011312002 is a wasteful number, since it uses less digits than its factorization.

13131011312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44063796500.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13131011312002 its reverse (20021311013131), we get a palindrome (33152322325133).

The spelling of 13131011312002 in words is "thirteen trillion, one hundred thirty-one billion, eleven million, three hundred twelve thousand, two".