131120738002 has 4 divisors (see below), whose sum is σ = 196681107006. Its totient is φ = 65560369000.

The previous prime is 131120737961. The next prime is 131120738003. The reversal of 131120738002 is 200837021131.

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., 79863325201 + 51257412801 = 282601^2 + 226401^2 .

It is not an unprimeable number, because it can be changed into a prime (131120738003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780184499 + ... + 32780184502.

Almost surely, 2^131120738002 is an apocalyptic number.

131120738002 is a deficient number, since it is larger than the sum of its proper divisors (65560369004).

131120738002 is an equidigital number, since it uses as much as digits as its factorization.

131120738002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560369003.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 131120738002 its reverse (200837021131), we get a palindrome (331957759133).

The spelling of 131120738002 in words is "one hundred thirty-one billion, one hundred twenty million, seven hundred thirty-eight thousand, two".