313231201201 has 2 divisors, whose sum is σ = 313231201202. Its totient is φ = 313231201200.

The previous prime is 313231201183. The next prime is 313231201259. The reversal of 313231201201 is 102102132313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244828029601 + 68403171600 = 494801^2 + 261540^2 .

It is a cyclic number.

It is not a de Polignac number, because 313231201201 - 2³³ = 304641266609 is a prime.

It is a super-2 number, since 2×313231201201² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313231201271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615600600 + 156615600601.

It is an arithmetic number, because the mean of its divisors is an integer number (156615600601).

Almost surely, 2^313231201201 is an apocalyptic number.

It is an amenable number.

313231201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

313231201201 is an equidigital number, since it uses as much as digits as its factorization.

313231201201 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.

Adding to 313231201201 its reverse (102102132313), we get a palindrome (415333333514).

The spelling of 313231201201 in words is "three hundred thirteen billion, two hundred thirty-one million, two hundred one thousand, two hundred one".