3161702135281 has 2 divisors, whose sum is σ = 3161702135282. Its totient is φ = 3161702135280.

The previous prime is 3161702135243. The next prime is 3161702135329. The reversal of 3161702135281 is 1825312071613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2262256646400 + 899445488881 = 1504080^2 + 948391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161702135281 is a prime.

It is a super-2 number, since 2×3161702135281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161702135981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580851067640 + 1580851067641.

It is an arithmetic number, because the mean of its divisors is an integer number (1580851067641).

Almost surely, 2^{3161702135281} is an apocalyptic number.

It is an amenable number.

3161702135281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161702135281 is an equidigital number, since it uses as much as digits as its factorization.

3161702135281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 3161702135281 in words is "three trillion, one hundred sixty-one billion, seven hundred two million, one hundred thirty-five thousand, two hundred eighty-one".