3428517815831 has 2 divisors, whose sum is σ = 3428517815832. Its totient is φ = 3428517815830.

The previous prime is 3428517815819. The next prime is 3428517815867. The reversal of 3428517815831 is 1385187158243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3428517815831 is a prime.

It is a super-2 number, since 2×3428517815831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3428510815831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714258907915 + 1714258907916.

It is an arithmetic number, because the mean of its divisors is an integer number (1714258907916).

Almost surely, 2^{3428517815831} is an apocalyptic number.

3428517815831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3428517815831 is an equidigital number, since it uses as much as digits as its factorization.

3428517815831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 56.

The spelling of 3428517815831 in words is "three trillion, four hundred twenty-eight billion, five hundred seventeen million, eight hundred fifteen thousand, eight hundred thirty-one".