103110031021 has 8 divisors (see below), whose sum is σ = 107886253824. Its totient is φ = 98358239760.

The previous prime is 103110031001. The next prime is 103110031027. The reversal of 103110031021 is 120130011301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103110031021 - 2³¹ = 100962547373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103110030992 and 103110031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103110031027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099250 + ... + 6116131.

It is an arithmetic number, because the mean of its divisors is an integer number (13485781728).

Almost surely, 2^103110031021 is an apocalyptic number.

It is an amenable number.

103110031021 is a deficient number, since it is larger than the sum of its proper divisors (4776222803).

103110031021 is a wasteful number, since it uses less digits than its factorization.

103110031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215771.

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

Adding to 103110031021 its reverse (120130011301), we get a palindrome (223240042322).

The spelling of 103110031021 in words is "one hundred three billion, one hundred ten million, thirty-one thousand, twenty-one".