31103023230101 has 4 divisors (see below), whose sum is σ = 31224046667052. Its totient is φ = 30981999793152.

The previous prime is 31103023230017. The next prime is 31103023230109. The reversal of 31103023230101 is 10103232030113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20510699707876 + 10592323522225 = 4528874^2 + 3254585^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103023230101 - 2³⁰ = 31101949488277 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 (31103023230109) 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, 60511718090 + ... + 60511718603.

It is an arithmetic number, because the mean of its divisors is an integer number (7806011666763).

Almost surely, 2^{31103023230101} is an apocalyptic number.

It is an amenable number.

31103023230101 is a deficient number, since it is larger than the sum of its proper divisors (121023436951).

31103023230101 is a wasteful number, since it uses less digits than its factorization.

31103023230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121023436950.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31103023230101 its reverse (10103232030113), we get a palindrome (41206255260214).

The spelling of 31103023230101 in words is "thirty-one trillion, one hundred three billion, twenty-three million, two hundred thirty thousand, one hundred one".