31416534013 has 2 divisors, whose sum is σ = 31416534014. Its totient is φ = 31416534012.

The previous prime is 31416534001. The next prime is 31416534043. The reversal of 31416534013 is 31043561413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28445520964 + 2971013049 = 168658^2 + 54507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31416534013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31416534043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708267006 + 15708267007.

It is an arithmetic number, because the mean of its divisors is an integer number (15708267007).

Almost surely, 2^31416534013 is an apocalyptic number.

It is an amenable number.

31416534013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31416534013 is an equidigital number, since it uses as much as digits as its factorization.

31416534013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 31416534013 in words is "thirty-one billion, four hundred sixteen million, five hundred thirty-four thousand, thirteen".