131313022131002 has 4 divisors (see below), whose sum is σ = 196969533196506. Its totient is φ = 65656511065500.

The previous prime is 131313022130951. The next prime is 131313022131061. The reversal of 131313022131002 is 200131220313131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131086951361041 + 226070769961 = 11449321^2 + 475469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32828255532749 + ... + 32828255532752.

Almost surely, 2^{131313022131002} is an apocalyptic number.

131313022131002 is a deficient number, since it is larger than the sum of its proper divisors (65656511065504).

131313022131002 is an equidigital number, since it uses as much as digits as its factorization.

131313022131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65656511065503.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131313022131002 its reverse (200131220313131), we get a palindrome (331444242444133).

The spelling of 131313022131002 in words is "one hundred thirty-one trillion, three hundred thirteen billion, twenty-two million, one hundred thirty-one thousand, two".