2123010212031 has 8 divisors (see below), whose sum is σ = 3145200314160. Its totient is φ = 1415340141336.

The previous prime is 2123010211979. The next prime is 2123010212107. The reversal of 2123010212031 is 1302120103212.

2123010212031 is a `hidden beast` number, since 212 + 301 + 0 + 2 + 120 + 31 = 666.

It is not a de Polignac number, because 2123010212031 - 2⁶ = 2123010211967 is a prime.

It is a super-2 number, since 2×2123010212031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123010211995 and 2123010212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123010213031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39315003900 + ... + 39315003953.

It is an arithmetic number, because the mean of its divisors is an integer number (393150039270).

Almost surely, 2^{2123010212031} is an apocalyptic number.

2123010212031 is a deficient number, since it is larger than the sum of its proper divisors (1022190102129).

2123010212031 is an equidigital number, since it uses as much as digits as its factorization.

2123010212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78630007862 (or 78630007856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2123010212031 its reverse (1302120103212), we get a palindrome (3425130315243).

The spelling of 2123010212031 in words is "two trillion, one hundred twenty-three billion, ten million, two hundred twelve thousand, thirty-one".