3131310232201 has 2 divisors, whose sum is σ = 3131310232202. Its totient is φ = 3131310232200.

The previous prime is 3131310232157. The next prime is 3131310232223. The reversal of 3131310232201 is 1022320131313.

It is an a-pointer prime, because the next prime (3131310232223) can be obtained adding 3131310232201 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2171202250000 + 960107982201 = 1473500^2 + 979851^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131310232201 - 2³⁷ = 2993871278729 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131310232601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565655116100 + 1565655116101.

It is an arithmetic number, because the mean of its divisors is an integer number (1565655116101).

Almost surely, 2^{3131310232201} is an apocalyptic number.

It is an amenable number.

3131310232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131310232201 is an equidigital number, since it uses as much as digits as its factorization.

3131310232201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3131310232201 its reverse (1022320131313), we get a palindrome (4153630363514).

The spelling of 3131310232201 in words is "three trillion, one hundred thirty-one billion, three hundred ten million, two hundred thirty-two thousand, two hundred one".