11331002020309 has 2 divisors, whose sum is σ = 11331002020310. Its totient is φ = 11331002020308.

The previous prime is 11331002020271. The next prime is 11331002020337. The reversal of 11331002020309 is 90302020013311.

11331002020309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8120533619025 + 3210468401284 = 2849655^2 + 1791778^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331002020309 - 2¹⁵ = 11331001987541 is a prime.

It is a super-3 number, since 3×11331002020309³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331002020379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665501010154 + 5665501010155.

It is an arithmetic number, because the mean of its divisors is an integer number (5665501010155).

Almost surely, 2^{11331002020309} is an apocalyptic number.

It is an amenable number.

11331002020309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331002020309 is an equidigital number, since it uses as much as digits as its factorization.

11331002020309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 11331002020309 in words is "eleven trillion, three hundred thirty-one billion, two million, twenty thousand, three hundred nine".