31470612826897 has 2 divisors, whose sum is σ = 31470612826898. Its totient is φ = 31470612826896.

The previous prime is 31470612826811. The next prime is 31470612826949. The reversal of 31470612826897 is 79862821607413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23308386671376 + 8162226155521 = 4827876^2 + 2856961^2 .

It is a cyclic number.

It is not a de Polignac number, because 31470612826897 - 2²³ = 31470604438289 is a prime.

It is not a weakly prime, because it can be changed into another prime (31470612826397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15735306413448 + 15735306413449.

It is an arithmetic number, because the mean of its divisors is an integer number (15735306413449).

Almost surely, 2^{31470612826897} is an apocalyptic number.

It is an amenable number.

31470612826897 is a deficient number, since it is larger than the sum of its proper divisors (1).

31470612826897 is an equidigital number, since it uses as much as digits as its factorization.

31470612826897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 31470612826897 in words is "thirty-one trillion, four hundred seventy billion, six hundred twelve million, eight hundred twenty-six thousand, eight hundred ninety-seven".