103201031 has 2 divisors, whose sum is σ = 103201032. Its totient is φ = 103201030.

The previous prime is 103201009. The next prime is 103201061. The reversal of 103201031 is 130102301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103201031 - 2²⁶ = 36092167 is a prime.

It is a super-2 number, since 2×103201031² = 21300905598925922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103201001) 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, 51600515 + 51600516.

It is an arithmetic number, because the mean of its divisors is an integer number (51600516).

Almost surely, 2^103201031 is an apocalyptic number.

103201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201031 is an equidigital number, since it uses as much as digits as its factorization.

103201031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103201031 is about 10158.7908237152. The cubic root of 103201031 is about 469.0595817819.

Adding to 103201031 its reverse (130102301), we get a palindrome (233303332).

The spelling of 103201031 in words is "one hundred three million, two hundred one thousand, thirty-one".