101031213310103 has 4 divisors (see below), whose sum is σ = 101031545623008. Its totient is φ = 101030880997200.

The previous prime is 101031213310087. The next prime is 101031213310109. The reversal of 101031213310103 is 301013312130101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101031213310103 - 2⁴ = 101031213310087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031213310109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165699998 + ... + 166308603.

It is an arithmetic number, because the mean of its divisors is an integer number (25257886405752).

Almost surely, 2^{101031213310103} is an apocalyptic number.

101031213310103 is a deficient number, since it is larger than the sum of its proper divisors (332312905).

101031213310103 is an equidigital number, since it uses as much as digits as its factorization.

101031213310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332312904.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 101031213310103 its reverse (301013312130101), we get a palindrome (402044525440204).

The spelling of 101031213310103 in words is "one hundred one trillion, thirty-one billion, two hundred thirteen million, three hundred ten thousand, one hundred three".