108231131 has 2 divisors, whose sum is σ = 108231132. Its totient is φ = 108231130.

The previous prime is 108231127. The next prime is 108231133. The reversal of 108231131 is 131132801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108231131 - 2² = 108231127 is a prime.

It is a super-2 number, since 2×108231131² = 23427955435078322, which contains 22 as substring.

Together with 108231133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108231133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54115565 + 54115566.

It is an arithmetic number, because the mean of its divisors is an integer number (54115566).

Almost surely, 2^108231131 is an apocalyptic number.

108231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

108231131 is an equidigital number, since it uses as much as digits as its factorization.

108231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 108231131 is about 10403.4191975523. The cubic root of 108231131 is about 476.5597935262.

Adding to 108231131 its reverse (131132801), we get a palindrome (239363932).

The spelling of 108231131 in words is "one hundred eight million, two hundred thirty-one thousand, one hundred thirty-one".