31269715011329 has 2 divisors, whose sum is σ = 31269715011330. Its totient is φ = 31269715011328.

The previous prime is 31269715011109. The next prime is 31269715011341. The reversal of 31269715011329 is 92311051796213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26987526282304 + 4282188729025 = 5194952^2 + 2069345^2 .

It is a cyclic number.

It is not a de Polignac number, because 31269715011329 - 2⁴⁰ = 30170203383553 is a prime.

It is not a weakly prime, because it can be changed into another prime (31269715011349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15634857505664 + 15634857505665.

It is an arithmetic number, because the mean of its divisors is an integer number (15634857505665).

Almost surely, 2^{31269715011329} is an apocalyptic number.

It is an amenable number.

31269715011329 is a deficient number, since it is larger than the sum of its proper divisors (1).

31269715011329 is an equidigital number, since it uses as much as digits as its factorization.

31269715011329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 31269715011329 in words is "thirty-one trillion, two hundred sixty-nine billion, seven hundred fifteen million, eleven thousand, three hundred twenty-nine".