31283466420061 has 2 divisors, whose sum is σ = 31283466420062. Its totient is φ = 31283466420060.

The previous prime is 31283466420001. The next prime is 31283466420079. The reversal of 31283466420061 is 16002466438213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22762870392025 + 8520596028036 = 4771045^2 + 2919006^2 .

It is a cyclic number.

It is not a de Polignac number, because 31283466420061 - 2³³ = 31274876485469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31283466419993 and 31283466420020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31283466420001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15641733210030 + 15641733210031.

It is an arithmetic number, because the mean of its divisors is an integer number (15641733210031).

Almost surely, 2^{31283466420061} is an apocalyptic number.

It is an amenable number.

31283466420061 is a deficient number, since it is larger than the sum of its proper divisors (1).

31283466420061 is an equidigital number, since it uses as much as digits as its factorization.

31283466420061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 31283466420061 in words is "thirty-one trillion, two hundred eighty-three billion, four hundred sixty-six million, four hundred twenty thousand, sixty-one".