3420340031 has 2 divisors, whose sum is σ = 3420340032. Its totient is φ = 3420340030.

The previous prime is 3420339991. The next prime is 3420340037. The reversal of 3420340031 is 1300430243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3420340031 - 2¹⁸ = 3420077887 is a prime.

It is a super-2 number, since 2×3420340031² = 23397451855322161922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420339985 and 3420340012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420340037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710170015 + 1710170016.

It is an arithmetic number, because the mean of its divisors is an integer number (1710170016).

Almost surely, 2^3420340031 is an apocalyptic number.

3420340031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420340031 is an equidigital number, since it uses as much as digits as its factorization.

3420340031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3420340031 is about 58483.6732003044. The cubic root of 3420340031 is about 1506.6871850316.

Adding to 3420340031 its reverse (1300430243), we get a palindrome (4720770274).

The spelling of 3420340031 in words is "three billion, four hundred twenty million, three hundred forty thousand, thirty-one".