3121641353 has 2 divisors, whose sum is σ = 3121641354. Its totient is φ = 3121641352.

The previous prime is 3121641349. The next prime is 3121641361. The reversal of 3121641353 is 3531461213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3082803529 + 38837824 = 55523^2 + 6232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121641353 - 2² = 3121641349 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121643353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560820676 + 1560820677.

It is an arithmetic number, because the mean of its divisors is an integer number (1560820677).

Almost surely, 2^3121641353 is an apocalyptic number.

It is an amenable number.

3121641353 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121641353 is an equidigital number, since it uses as much as digits as its factorization.

3121641353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 3121641353 is about 55871.6507094609. The cubic root of 3121641353 is about 1461.4849083681.

The spelling of 3121641353 in words is "three billion, one hundred twenty-one million, six hundred forty-one thousand, three hundred fifty-three".