36851131 has 2 divisors, whose sum is σ = 36851132. Its totient is φ = 36851130.

The previous prime is 36851119. The next prime is 36851147. The reversal of 36851131 is 13115863.

It is a weak prime.

It is an emirp because it is prime and its reverse (13115863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36851131 - 2¹¹ = 36849083 is a prime.

It is a super-2 number, since 2×36851131² = 2716011711958322, 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 36851131.

It is not a weakly prime, because it can be changed into another prime (36851161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18425565 + 18425566.

It is an arithmetic number, because the mean of its divisors is an integer number (18425566).

Almost surely, 2^36851131 is an apocalyptic number.

36851131 is a deficient number, since it is larger than the sum of its proper divisors (1).

36851131 is an equidigital number, since it uses as much as digits as its factorization.

36851131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 36851131 is about 6070.5132402458. The cubic root of 36851131 is about 332.7746794628.

Adding to 36851131 its reverse (13115863), we get a palindrome (49966994).

The spelling of 36851131 in words is "thirty-six million, eight hundred fifty-one thousand, one hundred thirty-one".