131313302002 has 8 divisors (see below), whose sum is σ = 200198968812. Its totient is φ = 64580312400.

The previous prime is 131313301969. The next prime is 131313302051. The reversal of 131313302002 is 200203313131.

It can be written as a sum of positive squares in 2 ways, for example, as 123692186601 + 7621115401 = 351699^2 + 87299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538169149 + ... + 538169392.

Almost surely, 2^131313302002 is an apocalyptic number.

131313302002 is a deficient number, since it is larger than the sum of its proper divisors (68885666810).

131313302002 is a wasteful number, since it uses less digits than its factorization.

131313302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076338604.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131313302002 its reverse (200203313131), we get a palindrome (331516615133).

It can be divided in two parts, 13131 and 3302002, that added together give a palindrome (3315133).

The spelling of 131313302002 in words is "one hundred thirty-one billion, three hundred thirteen million, three hundred two thousand, two".