103404131 has 2 divisors, whose sum is σ = 103404132. Its totient is φ = 103404130.

The previous prime is 103404107. The next prime is 103404143. The reversal of 103404131 is 131404301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103404131 is a prime.

It is a super-2 number, since 2×103404131² = 21384828615730322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103404331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702065 + 51702066.

It is an arithmetic number, because the mean of its divisors is an integer number (51702066).

Almost surely, 2^103404131 is an apocalyptic number.

103404131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103404131 is an equidigital number, since it uses as much as digits as its factorization.

103404131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103404131 is about 10168.7821788059. The cubic root of 103404131 is about 469.3670837960.

Adding to 103404131 its reverse (131404301), we get a palindrome (234808432).

The spelling of 103404131 in words is "one hundred three million, four hundred four thousand, one hundred thirty-one".