31103242301 has 2 divisors, whose sum is σ = 31103242302. Its totient is φ = 31103242300.

The previous prime is 31103242259. The next prime is 31103242393. The reversal of 31103242301 is 10324230113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26710999225 + 4392243076 = 163435^2 + 66274^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103242301 - 2¹⁴ = 31103225917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103242601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551621150 + 15551621151.

It is an arithmetic number, because the mean of its divisors is an integer number (15551621151).

Almost surely, 2^31103242301 is an apocalyptic number.

It is an amenable number.

31103242301 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103242301 is an equidigital number, since it uses as much as digits as its factorization.

31103242301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31103242301 its reverse (10324230113), we get a palindrome (41427472414).

The spelling of 31103242301 in words is "thirty-one billion, one hundred three million, two hundred forty-two thousand, three hundred one".