2055403331 has 2 divisors, whose sum is σ = 2055403332. Its totient is φ = 2055403330.

The previous prime is 2055403327. The next prime is 2055403351. The reversal of 2055403331 is 1333045502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2055403331 - 2² = 2055403327 is a prime.

It is a super-2 number, since 2×2055403331² = 8449365706171791122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2055403331.

It is not a weakly prime, because it can be changed into another prime (2055403351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027701665 + 1027701666.

It is an arithmetic number, because the mean of its divisors is an integer number (1027701666).

Almost surely, 2^2055403331 is an apocalyptic number.

2055403331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055403331 is an equidigital number, since it uses as much as digits as its factorization.

2055403331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2055403331 is about 45336.5562322504. The cubic root of 2055403331 is about 1271.4492169551.

Adding to 2055403331 its reverse (1333045502), we get a palindrome (3388448833).

The spelling of 2055403331 in words is "two billion, fifty-five million, four hundred three thousand, three hundred thirty-one".