31423419527 has 2 divisors, whose sum is σ = 31423419528. Its totient is φ = 31423419526.

The previous prime is 31423419523. The next prime is 31423419581. The reversal of 31423419527 is 72591432413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31423419527 - 2² = 31423419523 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31423419523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711709763 + 15711709764.

It is an arithmetic number, because the mean of its divisors is an integer number (15711709764).

Almost surely, 2^31423419527 is an apocalyptic number.

31423419527 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423419527 is an equidigital number, since it uses as much as digits as its factorization.

31423419527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The spelling of 31423419527 in words is "thirty-one billion, four hundred twenty-three million, four hundred nineteen thousand, five hundred twenty-seven".