3161421233 has 2 divisors, whose sum is σ = 3161421234. Its totient is φ = 3161421232.

The previous prime is 3161421181. The next prime is 3161421247. The reversal of 3161421233 is 3321241613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3146312464 + 15108769 = 56092^2 + 3887^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161421233 - 2¹⁰ = 3161420209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161429233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580710616 + 1580710617.

It is an arithmetic number, because the mean of its divisors is an integer number (1580710617).

Almost surely, 2^3161421233 is an apocalyptic number.

It is an amenable number.

3161421233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161421233 is an equidigital number, since it uses as much as digits as its factorization.

3161421233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 3161421233 is about 56226.5171693926. The cubic root of 3161421233 is about 1467.6667495655. Note that the first 3 decimals are identical.

Adding to 3161421233 its reverse (3321241613), we get a palindrome (6482662846).

The spelling of 3161421233 in words is "three billion, one hundred sixty-one million, four hundred twenty-one thousand, two hundred thirty-three".