103131323 has 2 divisors, whose sum is σ = 103131324. Its totient is φ = 103131322.

The previous prime is 103131307. The next prime is 103131361. The reversal of 103131323 is 323131301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103131323 - 2⁴ = 103131307 is a prime.

It is not a weakly prime, because it can be changed into another prime (103131923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565661 + 51565662.

It is an arithmetic number, because the mean of its divisors is an integer number (51565662).

Almost surely, 2^103131323 is an apocalyptic number.

103131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131323 is an equidigital number, since it uses as much as digits as its factorization.

103131323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 103131323 is about 10155.3593240220. The cubic root of 103131323 is about 468.9539479213.

Adding to 103131323 its reverse (323131301), we get a palindrome (426262624).

The spelling of 103131323 in words is "one hundred three million, one hundred thirty-one thousand, three hundred twenty-three".