3420202431345 has 32 divisors (see below), whose sum is σ = 6254851415040. Its totient is φ = 1563329369280.

The previous prime is 3420202431341. The next prime is 3420202431367. The reversal of 3420202431345 is 5431342020243.

3420202431345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3420202431345 - 2² = 3420202431341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3420202431341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135275 + ... + 2851184.

It is an arithmetic number, because the mean of its divisors is an integer number (195464106720).

Almost surely, 2^{3420202431345} is an apocalyptic number.

3420202431345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3420202431345 is a deficient number, since it is larger than the sum of its proper divisors (2834648983695).

3420202431345 is a wasteful number, since it uses less digits than its factorization.

3420202431345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994645.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 3420202431345 its reverse (5431342020243), we get a palindrome (8851544451588).

The spelling of 3420202431345 in words is "three trillion, four hundred twenty billion, two hundred two million, four hundred thirty-one thousand, three hundred forty-five".