3420328031 has 2 divisors, whose sum is σ = 3420328032. Its totient is φ = 3420328030.

The previous prime is 3420328027. The next prime is 3420328061. The reversal of 3420328031 is 1308230243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420328031 - 2² = 3420328027 is a prime.

It is a super-2 number, since 2×3420328031² = 23397287679288673922, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420328001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710164015 + 1710164016.

It is an arithmetic number, because the mean of its divisors is an integer number (1710164016).

Almost surely, 2^3420328031 is an apocalyptic number.

3420328031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420328031 is an equidigital number, since it uses as much as digits as its factorization.

3420328031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3420328031 is about 58483.5706074792. The cubic root of 3420328031 is about 1506.6854229975.

Adding to 3420328031 its reverse (1308230243), we get a palindrome (4728558274).

The spelling of 3420328031 in words is "three billion, four hundred twenty million, three hundred twenty-eight thousand, thirty-one".