31330332041 has 2 divisors, whose sum is σ = 31330332042. Its totient is φ = 31330332040.

The previous prime is 31330331983. The next prime is 31330332079. The reversal of 31330332041 is 14023303313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18052609600 + 13277722441 = 134360^2 + 115229^2 .

It is a cyclic number.

It is not a de Polignac number, because 31330332041 - 2¹⁰ = 31330331017 is a prime.

It is a super-2 number, since 2×31330332041² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31330331998 and 31330332016.

It is not a weakly prime, because it can be changed into another prime (31330332541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15665166020 + 15665166021.

It is an arithmetic number, because the mean of its divisors is an integer number (15665166021).

Almost surely, 2^31330332041 is an apocalyptic number.

It is an amenable number.

31330332041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31330332041 is an equidigital number, since it uses as much as digits as its factorization.

31330332041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31330332041 its reverse (14023303313), we get a palindrome (45353635354).

The spelling of 31330332041 in words is "thirty-one billion, three hundred thirty million, three hundred thirty-two thousand, forty-one".