36831331 has 2 divisors, whose sum is σ = 36831332. Its totient is φ = 36831330.

The previous prime is 36831313. The next prime is 36831337. The reversal of 36831331 is 13313863.

Together with previous prime (36831313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13313863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36831331 - 2⁷ = 36831203 is a prime.

It is a super-2 number, since 2×36831331² = 2713093886463122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36831331.

It is not a weakly prime, because it can be changed into another prime (36831337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18415665 + 18415666.

It is an arithmetic number, because the mean of its divisors is an integer number (18415666).

Almost surely, 2^36831331 is an apocalyptic number.

36831331 is a deficient number, since it is larger than the sum of its proper divisors (1).

36831331 is an equidigital number, since it uses as much as digits as its factorization.

36831331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 36831331 is about 6068.8821870259. The cubic root of 36831331 is about 332.7150691795.

The spelling of 36831331 in words is "thirty-six million, eight hundred thirty-one thousand, three hundred thirty-one".