2120330431 has 2 divisors, whose sum is σ = 2120330432. Its totient is φ = 2120330430.

The previous prime is 2120330413. The next prime is 2120330449. The reversal of 2120330431 is 1340330212.

Together with previous prime (2120330413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (2120330413) and next prime (2120330449).

It is a cyclic number.

It is not a de Polignac number, because 2120330431 - 2⁹ = 2120329919 is a prime.

It is a super-2 number, since 2×2120330431² = 8991602273249291522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120330399 and 2120330408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120330131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060165215 + 1060165216.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165216).

Almost surely, 2^2120330431 is an apocalyptic number.

2120330431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120330431 is an equidigital number, since it uses as much as digits as its factorization.

2120330431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2120330431 is about 46047.0458444404. The cubic root of 2120330431 is about 1284.6983967174.

Adding to 2120330431 its reverse (1340330212), we get a palindrome (3460660643).

The spelling of 2120330431 in words is "two billion, one hundred twenty million, three hundred thirty thousand, four hundred thirty-one".