2001031130002 has 4 divisors (see below), whose sum is σ = 3001546695006. Its totient is φ = 1000515565000.

The previous prime is 2001031129961. The next prime is 2001031130003. The reversal of 2001031130002 is 2000311301002.

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., 1112010321361 + 889020808641 = 1054519^2 + 942879^2 .

It is not an unprimeable number, because it can be changed into a prime (2001031130003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500257782499 + ... + 500257782502.

Almost surely, 2^{2001031130002} is an apocalyptic number.

2001031130002 is a deficient number, since it is larger than the sum of its proper divisors (1000515565004).

2001031130002 is a wasteful number, since it uses less digits than its factorization.

2001031130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000515565003.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 2001031130002 its reverse (2000311301002), we get a palindrome (4001342431004).

The spelling of 2001031130002 in words is "two trillion, one billion, thirty-one million, one hundred thirty thousand, two".