2031012004031 has 4 divisors (see below), whose sum is σ = 2058834086352. Its totient is φ = 2003189921712.

The previous prime is 2031012004013. The next prime is 2031012004057. The reversal of 2031012004031 is 1304002101302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031012004031 is a prime.

It is a super-2 number, since 2×2031012004031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031012009031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13911041051 + ... + 13911041196.

It is an arithmetic number, because the mean of its divisors is an integer number (514708521588).

Almost surely, 2^{2031012004031} is an apocalyptic number.

2031012004031 is a deficient number, since it is larger than the sum of its proper divisors (27822082321).

2031012004031 is an equidigital number, since it uses as much as digits as its factorization.

2031012004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27822082320.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2031012004031 its reverse (1304002101302), we get a palindrome (3335014105333).

The spelling of 2031012004031 in words is "two trillion, thirty-one billion, twelve million, four thousand, thirty-one".