13031101 has 2 divisors, whose sum is σ = 13031102. Its totient is φ = 13031100.

The previous prime is 13031099. The next prime is 13031159. The reversal of 13031101 is 10113031.

13031101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9424900 + 3606201 = 3070^2 + 1899^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031101 - 2¹ = 13031099 is a prime.

Together with 13031099, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515550 + 6515551.

It is an arithmetic number, because the mean of its divisors is an integer number (6515551).

Almost surely, 2^13031101 is an apocalyptic number.

It is an amenable number.

13031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031101 is an equidigital number, since it uses as much as digits as its factorization.

13031101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 13031101 is about 3609.8616316973. The cubic root of 13031101 is about 235.3208293363.

Adding to 13031101 its reverse (10113031), we get a palindrome (23144132).

It can be divided in two parts, 13031 and 101, that multiplied together give a palindrome (1316131).

The spelling of 13031101 in words is "thirteen million, thirty-one thousand, one hundred one".