31101201113 has 2 divisors, whose sum is σ = 31101201114. Its totient is φ = 31101201112.

The previous prime is 31101201091. The next prime is 31101201169. The reversal of 31101201113 is 31110210113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26061904969 + 5039296144 = 161437^2 + 70988^2 .

It is a cyclic number.

It is not a de Polignac number, because 31101201113 - 2³⁴ = 13921331929 is a prime.

It is not a weakly prime, because it can be changed into another prime (31101201193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550600556 + 15550600557.

It is an arithmetic number, because the mean of its divisors is an integer number (15550600557).

Almost surely, 2^31101201113 is an apocalyptic number.

It is an amenable number.

31101201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101201113 is an equidigital number, since it uses as much as digits as its factorization.

31101201113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 31101201113 its reverse (31110210113), we get a palindrome (62211411226).

The spelling of 31101201113 in words is "thirty-one billion, one hundred one million, two hundred one thousand, one hundred thirteen".