2115331 has 2 divisors, whose sum is σ = 2115332. Its totient is φ = 2115330.

The previous prime is 2115319. The next prime is 2115343. The reversal of 2115331 is 1335112.

It is a balanced prime because it is at equal distance from previous prime (2115319) and next prime (2115343).

It is a cyclic number.

It is not a de Polignac number, because 2115331 - 2⁷ = 2115203 is a prime.

It is a super-2 number, since 2×2115331² = 8949250479122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2115301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057665 + 1057666.

It is an arithmetic number, because the mean of its divisors is an integer number (1057666).

2^2115331 is an apocalyptic number.

2115331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115331 is an equidigital number, since it uses as much as digits as its factorization.

2115331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 16.

The square root of 2115331 is about 1454.4177529170. The cubic root of 2115331 is about 128.3687891390.

The spelling of 2115331 in words is "two million, one hundred fifteen thousand, three hundred thirty-one".