31434343171 has 16 divisors (see below), whose sum is σ = 39201977088. Its totient is φ = 24487351200.

The previous prime is 31434343169. The next prime is 31434343219. The reversal of 31434343171 is 17134343413.

It is a cyclic number.

It is not a de Polignac number, because 31434343171 - 2¹ = 31434343169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434343571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224481 + ... + 336541.

It is an arithmetic number, because the mean of its divisors is an integer number (2450123568).

Almost surely, 2^31434343171 is an apocalyptic number.

31434343171 is a deficient number, since it is larger than the sum of its proper divisors (7767633917).

31434343171 is a wasteful number, since it uses less digits than its factorization.

31434343171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115722.

The product of its digits is 36288, while the sum is 34.

Adding to 31434343171 its reverse (17134343413), we get a palindrome (48568686584).

The spelling of 31434343171 in words is "thirty-one billion, four hundred thirty-four million, three hundred forty-three thousand, one hundred seventy-one".