108214031 has 4 divisors (see below), whose sum is σ = 108237000. Its totient is φ = 108191064.

The previous prime is 108214021. The next prime is 108214039. The reversal of 108214031 is 130412801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108214031 is a prime.

It is a super-2 number, since 2×108214031² = 23420553010537922, 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 = 108213994 and 108214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108214039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (27059250).

Almost surely, 2^108214031 is an apocalyptic number.

108214031 is a deficient number, since it is larger than the sum of its proper divisors (22969).

108214031 is an equidigital number, since it uses as much as digits as its factorization.

108214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22968.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 108214031 is about 10402.5973199004. The cubic root of 108214031 is about 476.5346941498.

Adding to 108214031 its reverse (130412801), we get a palindrome (238626832).

The spelling of 108214031 in words is "one hundred eight million, two hundred fourteen thousand, thirty-one".