2120331403 has 2 divisors, whose sum is σ = 2120331404. Its totient is φ = 2120331402.

The previous prime is 2120331401. The next prime is 2120331407. The reversal of 2120331403 is 3041330212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120331403 - 2¹ = 2120331401 is a prime.

Together with 2120331401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2120331401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060165701 + 1060165702.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165702).

Almost surely, 2^2120331403 is an apocalyptic number.

2120331403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120331403 is an equidigital number, since it uses as much as digits as its factorization.

2120331403 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 2120331403 is about 46047.0563988622. The cubic root of 2120331403 is about 1284.6985930275.

Adding to 2120331403 its reverse (3041330212), we get a palindrome (5161661615).

The spelling of 2120331403 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, four hundred three".