2420311331 has 2 divisors, whose sum is σ = 2420311332. Its totient is φ = 2420311330.

The previous prime is 2420311259. The next prime is 2420311337. The reversal of 2420311331 is 1331130242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420311331 - 2¹⁸ = 2420049187 is a prime.

It is a super-2 number, since 2×2420311331² = 11715813877933983122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420311337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210155665 + 1210155666.

It is an arithmetic number, because the mean of its divisors is an integer number (1210155666).

Almost surely, 2^2420311331 is an apocalyptic number.

2420311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420311331 is an equidigital number, since it uses as much as digits as its factorization.

2420311331 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 20.

The square root of 2420311331 is about 49196.6597544996. The cubic root of 2420311331 is about 1342.6322601566.

Adding to 2420311331 its reverse (1331130242), we get a palindrome (3751441573).

The spelling of 2420311331 in words is "two billion, four hundred twenty million, three hundred eleven thousand, three hundred thirty-one".