3103420208261 has 2 divisors, whose sum is σ = 3103420208262. Its totient is φ = 3103420208260.

The previous prime is 3103420208237. The next prime is 3103420208299. The reversal of 3103420208261 is 1628020243013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638896677636 + 1464523530625 = 1280194^2 + 1210175^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103420208261 - 2⁶ = 3103420208197 is a prime.

It is a super-2 number, since 2×3103420208261² (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 (3103420208201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551710104130 + 1551710104131.

It is an arithmetic number, because the mean of its divisors is an integer number (1551710104131).

Almost surely, 2^{3103420208261} is an apocalyptic number.

It is an amenable number.

3103420208261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103420208261 is an equidigital number, since it uses as much as digits as its factorization.

3103420208261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 3103420208261 in words is "three trillion, one hundred three billion, four hundred twenty million, two hundred eight thousand, two hundred sixty-one".