31886526103 has 2 divisors, whose sum is σ = 31886526104. Its totient is φ = 31886526102.

The previous prime is 31886526101. The next prime is 31886526121. The reversal of 31886526103 is 30162568813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31886526103 - 2¹ = 31886526101 is a prime.

Together with 31886526101, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31886526103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31886526101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15943263051 + 15943263052.

It is an arithmetic number, because the mean of its divisors is an integer number (15943263052).

Almost surely, 2^31886526103 is an apocalyptic number.

31886526103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31886526103 is an equidigital number, since it uses as much as digits as its factorization.

31886526103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 31886526103 in words is "thirty-one billion, eight hundred eighty-six million, five hundred twenty-six thousand, one hundred three".