38870331013 has 2 divisors, whose sum is σ = 38870331014. Its totient is φ = 38870331012.

The previous prime is 38870330981. The next prime is 38870331079. The reversal of 38870331013 is 31013307883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38440307844 + 430023169 = 196062^2 + 20737^2 .

It is an emirp because it is prime and its reverse (31013307883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38870331013 - 2⁵ = 38870330981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38870331083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19435165506 + 19435165507.

It is an arithmetic number, because the mean of its divisors is an integer number (19435165507).

Almost surely, 2^38870331013 is an apocalyptic number.

It is an amenable number.

38870331013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38870331013 is an equidigital number, since it uses as much as digits as its factorization.

38870331013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 38870331013 its reverse (31013307883), we get a palindrome (69883638896).

The spelling of 38870331013 in words is "thirty-eight billion, eight hundred seventy million, three hundred thirty-one thousand, thirteen".