103210031 has 8 divisors (see below), whose sum is σ = 104033664. Its totient is φ = 102389760.

The previous prime is 103210021. The next prime is 103210069. The reversal of 103210031 is 130012301.

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 103210031 - 2¹⁴ = 103193647 is a prime.

It is a super-2 number, since 2×103210031² = 21304620998041922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103209994 and 103210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116711 + ... + 117591.

It is an arithmetic number, because the mean of its divisors is an integer number (13004208).

Almost surely, 2^103210031 is an apocalyptic number.

103210031 is a deficient number, since it is larger than the sum of its proper divisors (823633).

103210031 is an equidigital number, since it uses as much as digits as its factorization.

103210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103210031 is about 10159.2337801628. The cubic root of 103210031 is about 469.0732167022.

Adding to 103210031 its reverse (130012301), we get a palindrome (233222332).

The spelling of 103210031 in words is "one hundred three million, two hundred ten thousand, thirty-one".