31465460546281 has 2 divisors, whose sum is σ = 31465460546282. Its totient is φ = 31465460546280.

The previous prime is 31465460546227. The next prime is 31465460546329. The reversal of 31465460546281 is 18264506456413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29896180707600 + 1569279838681 = 5467740^2 + 1252709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31465460546281 is a prime.

It is a super-2 number, since 2×31465460546281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31465460546081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15732730273140 + 15732730273141.

It is an arithmetic number, because the mean of its divisors is an integer number (15732730273141).

Almost surely, 2^{31465460546281} is an apocalyptic number.

It is an amenable number.

31465460546281 is a deficient number, since it is larger than the sum of its proper divisors (1).

31465460546281 is an equidigital number, since it uses as much as digits as its factorization.

31465460546281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 31465460546281 in words is "thirty-one trillion, four hundred sixty-five billion, four hundred sixty million, five hundred forty-six thousand, two hundred eighty-one".