2031420340111 has 4 divisors (see below), whose sum is σ = 2031790839912. Its totient is φ = 2031049840312.

The previous prime is 2031420340073. The next prime is 2031420340141. The reversal of 2031420340111 is 1110430241302.

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 2031420340111 - 2³¹ = 2029272856463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031420340141) 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, 185241676 + ... + 185252641.

It is an arithmetic number, because the mean of its divisors is an integer number (507947709978).

Almost surely, 2^{2031420340111} is an apocalyptic number.

2031420340111 is a deficient number, since it is larger than the sum of its proper divisors (370499801).

2031420340111 is an equidigital number, since it uses as much as digits as its factorization.

2031420340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370499800.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2031420340111 its reverse (1110430241302), we get a palindrome (3141850581413).

The spelling of 2031420340111 in words is "two trillion, thirty-one billion, four hundred twenty million, three hundred forty thousand, one hundred eleven".