8103420331 has 2 divisors, whose sum is σ = 8103420332. Its totient is φ = 8103420330.

The previous prime is 8103420317. The next prime is 8103420337. The reversal of 8103420331 is 1330243018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8103420331 - 2⁷ = 8103420203 is a prime.

It is a super-2 number, since 2×8103420331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8103420296 and 8103420305.

It is not a weakly prime, because it can be changed into another prime (8103420337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051710165 + 4051710166.

It is an arithmetic number, because the mean of its divisors is an integer number (4051710166).

Almost surely, 2^8103420331 is an apocalyptic number.

8103420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8103420331 is an equidigital number, since it uses as much as digits as its factorization.

8103420331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 8103420331 is about 90018.9998333685. Note that the first 3 decimals coincide. The cubic root of 8103420331 is about 2008.5814872915.

Adding to 8103420331 its reverse (1330243018), we get a palindrome (9433663349).

The spelling of 8103420331 in words is "eight billion, one hundred three million, four hundred twenty thousand, three hundred thirty-one".