2120231030231 has 4 divisors (see below), whose sum is σ = 2132927024592. Its totient is φ = 2107535035872.

The previous prime is 2120231030189. The next prime is 2120231030243. The reversal of 2120231030231 is 1320301320212.

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 2120231030231 - 2²² = 2120226835927 is a prime.

It is a super-2 number, since 2×2120231030231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120231000231) 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, 6347996930 + ... + 6347997263.

It is an arithmetic number, because the mean of its divisors is an integer number (533231756148).

Almost surely, 2^{2120231030231} is an apocalyptic number.

2120231030231 is a deficient number, since it is larger than the sum of its proper divisors (12695994361).

2120231030231 is a wasteful number, since it uses less digits than its factorization.

2120231030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695994360.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2120231030231 its reverse (1320301320212), we get a palindrome (3440532350443).

The spelling of 2120231030231 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, thirty thousand, two hundred thirty-one".