36315931 has 2 divisors, whose sum is σ = 36315932. Its totient is φ = 36315930.

The previous prime is 36315901. The next prime is 36315941. The reversal of 36315931 is 13951363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36315931 - 2¹⁹ = 35791643 is a prime.

It is a super-2 number, since 2×36315931² = 2637693688793522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36315893 and 36315902.

It is not a weakly prime, because it can be changed into another prime (36315901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18157965 + 18157966.

It is an arithmetic number, because the mean of its divisors is an integer number (18157966).

Almost surely, 2^36315931 is an apocalyptic number.

36315931 is a deficient number, since it is larger than the sum of its proper divisors (1).

36315931 is an equidigital number, since it uses as much as digits as its factorization.

36315931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 31.

The square root of 36315931 is about 6026.2700736027. The cubic root of 36315931 is about 331.1558215236.

The spelling of 36315931 in words is "thirty-six million, three hundred fifteen thousand, nine hundred thirty-one".