31434017 has 2 divisors, whose sum is σ = 31434018. Its totient is φ = 31434016.

The previous prime is 31433993. The next prime is 31434047. The reversal of 31434017 is 71043413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30481441 + 952576 = 5521^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 31434017 - 2⁶ = 31433953 is a prime.

It is a Chen prime.

It is equal to p_1941062 and since 31434017 and 1941062 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 31433983 and 31434001.

It is not a weakly prime, because it can be changed into another prime (31434047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717008 + 15717009.

It is an arithmetic number, because the mean of its divisors is an integer number (15717009).

Almost surely, 2^31434017 is an apocalyptic number.

It is an amenable number.

31434017 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434017 is an equidigital number, since it uses as much as digits as its factorization.

31434017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 31434017 is about 5606.6047658097. The cubic root of 31434017 is about 315.5973112592.

The spelling of 31434017 in words is "thirty-one million, four hundred thirty-four thousand, seventeen".