31426534229 has 2 divisors, whose sum is σ = 31426534230. Its totient is φ = 31426534228.

The previous prime is 31426534211. The next prime is 31426534247. The reversal of 31426534229 is 92243562413.

It is a balanced prime because it is at equal distance from previous prime (31426534211) and next prime (31426534247).

It can be written as a sum of positive squares in only one way, i.e., 28224672004 + 3201862225 = 168002^2 + 56585^2 .

It is a cyclic number.

It is not a de Polignac number, because 31426534229 - 2¹² = 31426530133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31426534259) 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, 15713267114 + 15713267115.

It is an arithmetic number, because the mean of its divisors is an integer number (15713267115).

Almost surely, 2^31426534229 is an apocalyptic number.

It is an amenable number.

31426534229 is a deficient number, since it is larger than the sum of its proper divisors (1).

31426534229 is an equidigital number, since it uses as much as digits as its factorization.

31426534229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 31426534229 in words is "thirty-one billion, four hundred twenty-six million, five hundred thirty-four thousand, two hundred twenty-nine".