2123031203331 has 4 divisors (see below), whose sum is σ = 2830708271112. Its totient is φ = 1415354135552.

The previous prime is 2123031203273. The next prime is 2123031203347. The reversal of 2123031203331 is 1333021303212.

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 2123031203331 - 2⁷ = 2123031203203 is a prime.

It is a super-2 number, since 2×2123031203331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123031223331) 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, 353838533886 + ... + 353838533891.

It is an arithmetic number, because the mean of its divisors is an integer number (707677067778).

Almost surely, 2^{2123031203331} is an apocalyptic number.

2123031203331 is a deficient number, since it is larger than the sum of its proper divisors (707677067781).

2123031203331 is an equidigital number, since it uses as much as digits as its factorization.

2123031203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707677067780.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2123031203331 its reverse (1333021303212), we get a palindrome (3456052506543).

The spelling of 2123031203331 in words is "two trillion, one hundred twenty-three billion, thirty-one million, two hundred three thousand, three hundred thirty-one".