2031344421023 has 4 divisors (see below), whose sum is σ = 2031370694928. Its totient is φ = 2031318147120.

The previous prime is 2031344420969. The next prime is 2031344421061. The reversal of 2031344421023 is 3201244431302.

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 2031344421023 - 2¹⁶ = 2031344355487 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 (2031344421923) 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, 13020638 + ... + 13175723.

It is an arithmetic number, because the mean of its divisors is an integer number (507842673732).

Almost surely, 2^{2031344421023} is an apocalyptic number.

2031344421023 is a deficient number, since it is larger than the sum of its proper divisors (26273905).

2031344421023 is an equidigital number, since it uses as much as digits as its factorization.

2031344421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26273904.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2031344421023 its reverse (3201244431302), we get a palindrome (5232588852325).

The spelling of 2031344421023 in words is "two trillion, thirty-one billion, three hundred forty-four million, four hundred twenty-one thousand, twenty-three".