61030386331 has 2 divisors, whose sum is σ = 61030386332. Its totient is φ = 61030386330.

The previous prime is 61030386323. The next prime is 61030386353. The reversal of 61030386331 is 13368303016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61030386331 - 2³ = 61030386323 is a prime.

It is a super-2 number, since 2×61030386331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61030386301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30515193165 + 30515193166.

It is an arithmetic number, because the mean of its divisors is an integer number (30515193166).

Almost surely, 2^61030386331 is an apocalyptic number.

61030386331 is a deficient number, since it is larger than the sum of its proper divisors (1).

61030386331 is an equidigital number, since it uses as much as digits as its factorization.

61030386331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 61030386331 its reverse (13368303016), we get a palindrome (74398689347).

The spelling of 61030386331 in words is "sixty-one billion, thirty million, three hundred eighty-six thousand, three hundred thirty-one".