36801431 has 2 divisors, whose sum is σ = 36801432. Its totient is φ = 36801430.

The previous prime is 36801409. The next prime is 36801469. The reversal of 36801431 is 13410863.

36801431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36801431 is a prime.

It is a super-2 number, since 2×36801431² = 2708690647295522, 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 36801431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36801491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18400715 + 18400716.

It is an arithmetic number, because the mean of its divisors is an integer number (18400716).

Almost surely, 2^36801431 is an apocalyptic number.

36801431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36801431 is an equidigital number, since it uses as much as digits as its factorization.

36801431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 36801431 is about 6066.4183007768. The cubic root of 36801431 is about 332.6250111273.

The spelling of 36801431 in words is "thirty-six million, eight hundred one thousand, four hundred thirty-one".