31434354071 has 2 divisors, whose sum is σ = 31434354072. Its totient is φ = 31434354070.

The previous prime is 31434354041. The next prime is 31434354079. The reversal of 31434354071 is 17045343413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31434354071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31434354079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717177035 + 15717177036.

It is an arithmetic number, because the mean of its divisors is an integer number (15717177036).

Almost surely, 2^31434354071 is an apocalyptic number.

31434354071 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434354071 is an equidigital number, since it uses as much as digits as its factorization.

31434354071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 31434354071 its reverse (17045343413), we get a palindrome (48479697484).

The spelling of 31434354071 in words is "thirty-one billion, four hundred thirty-four million, three hundred fifty-four thousand, seventy-one".