101103210031 has 4 divisors (see below), whose sum is σ = 101121195952. Its totient is φ = 101085224112.

The previous prime is 101103210029. The next prime is 101103210071. The reversal of 101103210031 is 130012301101.

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 101103210031 - 2¹ = 101103210029 is a prime.

It is a super-2 number, since 2×101103210031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101103209993 and 101103210020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101103210071) 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, 8984526 + ... + 8995771.

It is an arithmetic number, because the mean of its divisors is an integer number (25280298988).

Almost surely, 2^101103210031 is an apocalyptic number.

101103210031 is a deficient number, since it is larger than the sum of its proper divisors (17985921).

101103210031 is an equidigital number, since it uses as much as digits as its factorization.

101103210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985920.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101103210031 its reverse (130012301101), we get a palindrome (231115511132).

The spelling of 101103210031 in words is "one hundred one billion, one hundred three million, two hundred ten thousand, thirty-one".