31434727087 has 2 divisors, whose sum is σ = 31434727088. Its totient is φ = 31434727086.

The previous prime is 31434727069. The next prime is 31434727097. The reversal of 31434727087 is 78072743413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31434727087 - 2⁷ = 31434726959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31434727007) 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, 15717363543 + 15717363544.

It is an arithmetic number, because the mean of its divisors is an integer number (15717363544).

Almost surely, 2^31434727087 is an apocalyptic number.

31434727087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434727087 is an equidigital number, since it uses as much as digits as its factorization.

31434727087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 31434727087 in words is "thirty-one billion, four hundred thirty-four million, seven hundred twenty-seven thousand, eighty-seven".