38361431 has 2 divisors, whose sum is σ = 38361432. Its totient is φ = 38361430.

The previous prime is 38361397. The next prime is 38361439. The reversal of 38361431 is 13416383.

38361431 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 a de Polignac number, because none of the positive numbers 2^k-38361431 is a prime.

It is a super-2 number, since 2×38361431² = 2943198776735522, 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 = 38361394 and 38361403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38361439) 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, 19180715 + 19180716.

It is an arithmetic number, because the mean of its divisors is an integer number (19180716).

Almost surely, 2^38361431 is an apocalyptic number.

38361431 is a deficient number, since it is larger than the sum of its proper divisors (1).

38361431 is an equidigital number, since it uses as much as digits as its factorization.

38361431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 38361431 is about 6193.6605493036. The cubic root of 38361431 is about 337.2600756633.

The spelling of 38361431 in words is "thirty-eight million, three hundred sixty-one thousand, four hundred thirty-one".