3201207131 has 2 divisors, whose sum is σ = 3201207132. Its totient is φ = 3201207130.

The previous prime is 3201207127. The next prime is 3201207161. The reversal of 3201207131 is 1317021023.

It is a weak prime.

It is an emirp because it is prime and its reverse (1317021023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3201207131 - 2² = 3201207127 is a prime.

It is a super-2 number, since 2×3201207131² = 20495454191130502322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3201207101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600603565 + 1600603566.

It is an arithmetic number, because the mean of its divisors is an integer number (1600603566).

Almost surely, 2^3201207131 is an apocalyptic number.

3201207131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201207131 is an equidigital number, since it uses as much as digits as its factorization.

3201207131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3201207131 is about 56579.2111203400. The cubic root of 3201207131 is about 1473.7978723542.

Adding to 3201207131 its reverse (1317021023), we get a palindrome (4518228154).

The spelling of 3201207131 in words is "three billion, two hundred one million, two hundred seven thousand, one hundred thirty-one".