2031313230011 has 4 divisors (see below), whose sum is σ = 2187568093872. Its totient is φ = 1875058366152.

The previous prime is 2031313230007. The next prime is 2031313230019. The reversal of 2031313230011 is 1100323131302.

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

It is a cyclic number.

It is not a de Polignac number, because 2031313230011 - 2² = 2031313230007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031313230019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78127431911 + ... + 78127431936.

It is an arithmetic number, because the mean of its divisors is an integer number (546892023468).

Almost surely, 2^{2031313230011} is an apocalyptic number.

2031313230011 is a deficient number, since it is larger than the sum of its proper divisors (156254863861).

2031313230011 is a wasteful number, since it uses less digits than its factorization.

2031313230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156254863860.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2031313230011 its reverse (1100323131302), we get a palindrome (3131636361313).

The spelling of 2031313230011 in words is "two trillion, thirty-one billion, three hundred thirteen million, two hundred thirty thousand, eleven".