13770131 has 2 divisors, whose sum is σ = 13770132. Its totient is φ = 13770130.

The previous prime is 13770091. The next prime is 13770149. The reversal of 13770131 is 13107731.

13770131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13770131 - 2¹⁸ = 13507987 is a prime.

It is a super-2 number, since 2×13770131² = 379233015514322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13770097 and 13770106.

It is not a weakly prime, because it can be changed into another prime (13770161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6885065 + 6885066.

It is an arithmetic number, because the mean of its divisors is an integer number (6885066).

Almost surely, 2^13770131 is an apocalyptic number.

13770131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13770131 is an equidigital number, since it uses as much as digits as its factorization.

13770131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 13770131 is about 3710.8127142177. The cubic root of 13770131 is about 239.6878522937.

Adding to 13770131 its reverse (13107731), we get a palindrome (26877862).

The spelling of 13770131 in words is "thirteen million, seven hundred seventy thousand, one hundred thirty-one".