31101101322113 has 4 divisors (see below), whose sum is σ = 31121415563568. Its totient is φ = 31080787080660.

The previous prime is 31101101322097. The next prime is 31101101322133. The reversal of 31101101322113 is 31122310110113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31101101322113 - 2⁴ = 31101101322097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31101101322133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157118431 + ... + 10157121492.

It is an arithmetic number, because the mean of its divisors is an integer number (7780353890892).

Almost surely, 2^{31101101322113} is an apocalyptic number.

It is an amenable number.

31101101322113 is a deficient number, since it is larger than the sum of its proper divisors (20314241455).

31101101322113 is a wasteful number, since it uses less digits than its factorization.

31101101322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314241454.

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

Adding to 31101101322113 its reverse (31122310110113), we get a palindrome (62223411432226).

The spelling of 31101101322113 in words is "thirty-one trillion, one hundred one billion, one hundred one million, three hundred twenty-two thousand, one hundred thirteen".