170042212331 has 2 divisors, whose sum is σ = 170042212332. Its totient is φ = 170042212330.

The previous prime is 170042212303. The next prime is 170042212349. The reversal of 170042212331 is 133212240071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170042212331 - 2¹⁰ = 170042211307 is a prime.

It is a super-2 number, since 2×170042212331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 170042212331.

It is not a weakly prime, because it can be changed into another prime (170042212381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85021106165 + 85021106166.

It is an arithmetic number, because the mean of its divisors is an integer number (85021106166).

Almost surely, 2^170042212331 is an apocalyptic number.

170042212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

170042212331 is an equidigital number, since it uses as much as digits as its factorization.

170042212331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 170042212331 in words is "one hundred seventy billion, forty-two million, two hundred twelve thousand, three hundred thirty-one".