36131903 has 2 divisors, whose sum is σ = 36131904. Its totient is φ = 36131902.

The previous prime is 36131899. The next prime is 36131917. The reversal of 36131903 is 30913163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36131903 - 2² = 36131899 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36131923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18065951 + 18065952.

It is an arithmetic number, because the mean of its divisors is an integer number (18065952).

Almost surely, 2^36131903 is an apocalyptic number.

36131903 is a deficient number, since it is larger than the sum of its proper divisors (1).

36131903 is an equidigital number, since it uses as much as digits as its factorization.

36131903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 36131903 is about 6010.9818665506. The cubic root of 36131903 is about 330.5955056874.

The spelling of 36131903 in words is "thirty-six million, one hundred thirty-one thousand, nine hundred three".