100631211113 has 2 divisors, whose sum is σ = 100631211114. Its totient is φ = 100631211112.

The previous prime is 100631211091. The next prime is 100631211133. The reversal of 100631211113 is 311112136001.

It is an a-pointer prime, because the next prime (100631211133) can be obtained adding 100631211113 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90593776144 + 10037434969 = 300988^2 + 100187^2 .

It is a cyclic number.

It is not a de Polignac number, because 100631211113 - 2⁶ = 100631211049 is a prime.

It is not a weakly prime, because it can be changed into another prime (100631211133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50315605556 + 50315605557.

It is an arithmetic number, because the mean of its divisors is an integer number (50315605557).

Almost surely, 2^100631211113 is an apocalyptic number.

It is an amenable number.

100631211113 is a deficient number, since it is larger than the sum of its proper divisors (1).

100631211113 is an equidigital number, since it uses as much as digits as its factorization.

100631211113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 100631211113 its reverse (311112136001), we get a palindrome (411743347114).

The spelling of 100631211113 in words is "one hundred billion, six hundred thirty-one million, two hundred eleven thousand, one hundred thirteen".