31714317145 has 16 divisors (see below), whose sum is σ = 43806833280. Its totient is φ = 21590504064.

The previous prime is 31714317143. The next prime is 31714317163. The reversal of 31714317145 is 54171341713.

It is a cyclic number.

It is not a de Polignac number, because 31714317145 - 2¹ = 31714317143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31714317143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254572 + ... + 3264301.

It is an arithmetic number, because the mean of its divisors is an integer number (2737927080).

Almost surely, 2^31714317145 is an apocalyptic number.

31714317145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31714317145 is a deficient number, since it is larger than the sum of its proper divisors (12092516135).

31714317145 is a wasteful number, since it uses less digits than its factorization.

31714317145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519024.

The product of its digits is 35280, while the sum is 37.

Adding to 31714317145 its reverse (54171341713), we get a palindrome (85885658858).

The spelling of 31714317145 in words is "thirty-one billion, seven hundred fourteen million, three hundred seventeen thousand, one hundred forty-five".