31012012301 has 2 divisors, whose sum is σ = 31012012302. Its totient is φ = 31012012300.

The previous prime is 31012012267. The next prime is 31012012307. The reversal of 31012012301 is 10321021013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16407048100 + 14604964201 = 128090^2 + 120851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31012012301 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31012012307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506006150 + 15506006151.

It is an arithmetic number, because the mean of its divisors is an integer number (15506006151).

Almost surely, 2^31012012301 is an apocalyptic number.

It is an amenable number.

31012012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

31012012301 is an equidigital number, since it uses as much as digits as its factorization.

31012012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31012012301 its reverse (10321021013), we get a palindrome (41333033314).

The spelling of 31012012301 in words is "thirty-one billion, twelve million, twelve thousand, three hundred one".