13743131 has 2 divisors, whose sum is σ = 13743132. Its totient is φ = 13743130.

The previous prime is 13743127. The next prime is 13743143. The reversal of 13743131 is 13134731.

13743131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13743131 - 2² = 13743127 is a prime.

It is a super-2 number, since 2×13743131² = 377747299366322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13743097 and 13743106.

It is not a weakly prime, because it can be changed into another prime (13743151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6871565 + 6871566.

It is an arithmetic number, because the mean of its divisors is an integer number (6871566).

Almost surely, 2^13743131 is an apocalyptic number.

13743131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13743131 is an equidigital number, since it uses as much as digits as its factorization.

13743131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 13743131 is about 3707.1729120719. The cubic root of 13743131 is about 239.5310925560.

Adding to 13743131 its reverse (13134731), we get a palindrome (26877862).

Subtracting from 13743131 its reverse (13134731), we obtain a square (608400 = 780²).

The spelling of 13743131 in words is "thirteen million, seven hundred forty-three thousand, one hundred thirty-one".