103201031231 has 2 divisors, whose sum is σ = 103201031232. Its totient is φ = 103201031230.

The previous prime is 103201031209. The next prime is 103201031267. The reversal of 103201031231 is 132130102301.

It is a weak prime.

It is an emirp because it is prime and its reverse (132130102301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103201031231 is a prime.

It is a super-2 number, since 2×103201031231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103201031201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600515615 + 51600515616.

It is an arithmetic number, because the mean of its divisors is an integer number (51600515616).

Almost surely, 2^103201031231 is an apocalyptic number.

103201031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201031231 is an equidigital number, since it uses as much as digits as its factorization.

103201031231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103201031231 its reverse (132130102301), we get a palindrome (235331133532).

The spelling of 103201031231 in words is "one hundred three billion, two hundred one million, thirty-one thousand, two hundred thirty-one".