20311132303349 has 2 divisors, whose sum is σ = 20311132303350. Its totient is φ = 20311132303348.

The previous prime is 20311132303249. The next prime is 20311132303367. The reversal of 20311132303349 is 94330323111302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18480171506449 + 1830960796900 = 4298857^2 + 1353130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20311132303349 - 2⁸ = 20311132303093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311132303379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155566151674 + 10155566151675.

It is an arithmetic number, because the mean of its divisors is an integer number (10155566151675).

Almost surely, 2^{20311132303349} is an apocalyptic number.

It is an amenable number.

20311132303349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311132303349 is an equidigital number, since it uses as much as digits as its factorization.

20311132303349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 20311132303349 in words is "twenty trillion, three hundred eleven billion, one hundred thirty-two million, three hundred three thousand, three hundred forty-nine".