31211132032349 has 2 divisors, whose sum is σ = 31211132032350. Its totient is φ = 31211132032348.

The previous prime is 31211132032271. The next prime is 31211132032361. The reversal of 31211132032349 is 94323023111213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31176700632100 + 34431400249 = 5583610^2 + 185557^2 .

It is a cyclic number.

It is not a de Polignac number, because 31211132032349 - 2¹⁶ = 31211131966813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31211132031349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15605566016174 + 15605566016175.

It is an arithmetic number, because the mean of its divisors is an integer number (15605566016175).

Almost surely, 2^{31211132032349} is an apocalyptic number.

It is an amenable number.

31211132032349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31211132032349 is an equidigital number, since it uses as much as digits as its factorization.

31211132032349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 31211132032349 in words is "thirty-one trillion, two hundred eleven billion, one hundred thirty-two million, thirty-two thousand, three hundred forty-nine".