3161120203 has 2 divisors, whose sum is σ = 3161120204. Its totient is φ = 3161120202.

The previous prime is 3161120191. The next prime is 3161120257. The reversal of 3161120203 is 3020211613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3161120203 - 2¹³ = 3161112011 is a prime.

It is a super-2 number, since 2×3161120203² = 19985361875629522418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161120273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580560101 + 1580560102.

It is an arithmetic number, because the mean of its divisors is an integer number (1580560102).

Almost surely, 2^3161120203 is an apocalyptic number.

3161120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161120203 is an equidigital number, since it uses as much as digits as its factorization.

3161120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3161120203 is about 56223.8401658940. The cubic root of 3161120203 is about 1467.6201644262.

Adding to 3161120203 its reverse (3020211613), we get a palindrome (6181331816).

The spelling of 3161120203 in words is "three billion, one hundred sixty-one million, one hundred twenty thousand, two hundred three".