31101222210103 has 2 divisors, whose sum is σ = 31101222210104. Its totient is φ = 31101222210102.

The previous prime is 31101222210101. The next prime is 31101222210127. The reversal of 31101222210103 is 30101222210113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31101222210103 - 2¹ = 31101222210101 is a prime.

Together with 31101222210101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31101222210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550611105051 + 15550611105052.

It is an arithmetic number, because the mean of its divisors is an integer number (15550611105052).

Almost surely, 2^{31101222210103} is an apocalyptic number.

31101222210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101222210103 is an equidigital number, since it uses as much as digits as its factorization.

31101222210103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31101222210103 its reverse (30101222210113), we get a palindrome (61202444420216).

The spelling of 31101222210103 in words is "thirty-one trillion, one hundred one billion, two hundred twenty-two million, two hundred ten thousand, one hundred three".