3145310038261 has 2 divisors, whose sum is σ = 3145310038262. Its totient is φ = 3145310038260.

The previous prime is 3145310038237. The next prime is 3145310038291. The reversal of 3145310038261 is 1628300135413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2715511790161 + 429798248100 = 1647881^2 + 655590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145310038261 - 2²⁵ = 3145276483829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145310038261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145310038201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572655019130 + 1572655019131.

It is an arithmetic number, because the mean of its divisors is an integer number (1572655019131).

Almost surely, 2^{3145310038261} is an apocalyptic number.

It is an amenable number.

3145310038261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145310038261 is an equidigital number, since it uses as much as digits as its factorization.

3145310038261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 3145310038261 in words is "three trillion, one hundred forty-five billion, three hundred ten million, thirty-eight thousand, two hundred sixty-one".