38631113 has 2 divisors, whose sum is σ = 38631114. Its totient is φ = 38631112.

The previous prime is 38631107. The next prime is 38631119. The reversal of 38631113 is 31113683.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (38631107) and next prime (38631119).

It can be written as a sum of positive squares in only one way, i.e., 28815424 + 9815689 = 5368^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 38631113 - 2¹⁴ = 38614729 is a prime.

It is not a weakly prime, because it can be changed into another prime (38631119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19315556 + 19315557.

It is an arithmetic number, because the mean of its divisors is an integer number (19315557).

Almost surely, 2^38631113 is an apocalyptic number.

It is an amenable number.

38631113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38631113 is an equidigital number, since it uses as much as digits as its factorization.

38631113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 38631113 is about 6215.3932297160. The cubic root of 38631113 is about 338.0485469991.

Adding to 38631113 its reverse (31113683), we get a palindrome (69744796).

The spelling of 38631113 in words is "thirty-eight million, six hundred thirty-one thousand, one hundred thirteen".