3161661341 has 2 divisors, whose sum is σ = 3161661342. Its totient is φ = 3161661340.

The previous prime is 3161661233. The next prime is 3161661353. The reversal of 3161661341 is 1431661613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3144405625 + 17255716 = 56075^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161661341 - 2²² = 3157467037 is a prime.

It is a super-2 number, since 2×3161661341² = 19992204870347836562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3161661298 and 3161661307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161669341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580830670 + 1580830671.

It is an arithmetic number, because the mean of its divisors is an integer number (1580830671).

Almost surely, 2^3161661341 is an apocalyptic number.

It is an amenable number.

3161661341 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161661341 is an equidigital number, since it uses as much as digits as its factorization.

3161661341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 3161661341 is about 56228.6523135670. The cubic root of 3161661341 is about 1467.7039047542.

The spelling of 3161661341 in words is "three billion, one hundred sixty-one million, six hundred sixty-one thousand, three hundred forty-one".