103305131 has 2 divisors, whose sum is σ = 103305132. Its totient is φ = 103305130.

The previous prime is 103305101. The next prime is 103305133. The reversal of 103305131 is 131503301.

It is a strong prime.

It is an emirp because it is prime and its reverse (131503301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103305131 - 2¹⁸ = 103042987 is a prime.

It is a super-2 number, since 2×103305131² = 21343900181854322, which contains 22 as substring.

Together with 103305133, 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 (103305133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51652565 + 51652566.

It is an arithmetic number, because the mean of its divisors is an integer number (51652566).

Almost surely, 2^103305131 is an apocalyptic number.

103305131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103305131 is an equidigital number, since it uses as much as digits as its factorization.

103305131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 103305131 is about 10163.9131735764. The cubic root of 103305131 is about 469.2172439455.

Adding to 103305131 its reverse (131503301), we get a palindrome (234808432).

The spelling of 103305131 in words is "one hundred three million, three hundred five thousand, one hundred thirty-one".