36121313 has 4 divisors (see below), whose sum is σ = 36239280. Its totient is φ = 36003348.

The previous prime is 36121307. The next prime is 36121331. The reversal of 36121313 is 31312163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36121313 - 2⁴ = 36121297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36124313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58523 + ... + 59136.

It is an arithmetic number, because the mean of its divisors is an integer number (9059820).

Almost surely, 2^36121313 is an apocalyptic number.

It is an amenable number.

36121313 is a deficient number, since it is larger than the sum of its proper divisors (117967).

36121313 is a wasteful number, since it uses less digits than its factorization.

36121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117966.

The product of its digits is 324, while the sum is 20.

The square root of 36121313 is about 6010.1009142942. The cubic root of 36121313 is about 330.5632041458.

Adding to 36121313 its reverse (31312163), we get a palindrome (67433476).

The spelling of 36121313 in words is "thirty-six million, one hundred twenty-one thousand, three hundred thirteen".