31341902587 has 2 divisors, whose sum is σ = 31341902588. Its totient is φ = 31341902586.

The previous prime is 31341902551. The next prime is 31341902611. The reversal of 31341902587 is 78520914313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31341902587 is a prime.

It is not a weakly prime, because it can be changed into another prime (31341906587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670951293 + 15670951294.

It is an arithmetic number, because the mean of its divisors is an integer number (15670951294).

Almost surely, 2^31341902587 is an apocalyptic number.

31341902587 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341902587 is an equidigital number, since it uses as much as digits as its factorization.

31341902587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 31341902587 in words is "thirty-one billion, three hundred forty-one million, nine hundred two thousand, five hundred eighty-seven".