31269715011349 has 2 divisors, whose sum is σ = 31269715011350. Its totient is φ = 31269715011348.

The previous prime is 31269715011341. The next prime is 31269715011371. The reversal of 31269715011349 is 94311051796213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29323773710449 + 1945941300900 = 5415143^2 + 1394970^2 .

It is a cyclic number.

It is not a de Polignac number, because 31269715011349 - 2³ = 31269715011341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31269715011296 and 31269715011305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31269715011341) 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, 15634857505674 + 15634857505675.

It is an arithmetic number, because the mean of its divisors is an integer number (15634857505675).

Almost surely, 2^{31269715011349} is an apocalyptic number.

It is an amenable number.

31269715011349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31269715011349 is an equidigital number, since it uses as much as digits as its factorization.

31269715011349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 31269715011349 in words is "thirty-one trillion, two hundred sixty-nine billion, seven hundred fifteen million, eleven thousand, three hundred forty-nine".