2123031023031 has 8 divisors (see below), whose sum is σ = 2831114127744. Its totient is φ = 1415150966840.

The previous prime is 2123031023021. The next prime is 2123031023083. The reversal of 2123031023031 is 1303201303212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123031023031 - 2¹⁴ = 2123031006647 is a prime.

It is a super-2 number, since 2×2123031023031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123031022989 and 2123031023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123031023021) 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 7 ways as a sum of consecutive naturals, for example, 50737731 + ... + 50779556.

It is an arithmetic number, because the mean of its divisors is an integer number (353889265968).

Almost surely, 2^{2123031023031} is an apocalyptic number.

2123031023031 is a deficient number, since it is larger than the sum of its proper divisors (708083104713).

2123031023031 is a wasteful number, since it uses less digits than its factorization.

2123031023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101524261.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2123031023031 its reverse (1303201303212), we get a palindrome (3426232326243).

The spelling of 2123031023031 in words is "two trillion, one hundred twenty-three billion, thirty-one million, twenty-three thousand, thirty-one".