11372820331 has 2 divisors, whose sum is σ = 11372820332. Its totient is φ = 11372820330.

The previous prime is 11372820317. The next prime is 11372820343. The reversal of 11372820331 is 13302827311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11372820331 - 2¹⁷ = 11372689259 is a prime.

It is a super-2 number, since 2×11372820331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11372820293 and 11372820302.

It is not a weakly prime, because it can be changed into another prime (11372820391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686410165 + 5686410166.

It is an arithmetic number, because the mean of its divisors is an integer number (5686410166).

Almost surely, 2^11372820331 is an apocalyptic number.

11372820331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11372820331 is an equidigital number, since it uses as much as digits as its factorization.

11372820331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 11372820331 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, three hundred thirty-one".