10420331 has 2 divisors, whose sum is σ = 10420332. Its totient is φ = 10420330.

The previous prime is 10420327. The next prime is 10420349. The reversal of 10420331 is 13302401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10420331 - 2² = 10420327 is a prime.

It is a super-2 number, since 2×10420331² = 217166596299122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10420321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210165 + 5210166.

It is an arithmetic number, because the mean of its divisors is an integer number (5210166).

Almost surely, 2^10420331 is an apocalyptic number.

10420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420331 is an equidigital number, since it uses as much as digits as its factorization.

10420331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10420331 is about 3228.0537480036. The cubic root of 10420331 is about 218.4207219019.

Adding to 10420331 its reverse (13302401), we get a palindrome (23722732).

The spelling of 10420331 in words is "ten million, four hundred twenty thousand, three hundred thirty-one".