36434521231 has 8 divisors (see below), whose sum is σ = 36568106640. Its totient is φ = 36301153728.

The previous prime is 36434521187. The next prime is 36434521243. The reversal of 36434521231 is 13212543463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36434521231 - 2⁹ = 36434520719 is a prime.

It is a super-2 number, since 2×36434521231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36434521031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284385 + ... + 392101.

It is an arithmetic number, because the mean of its divisors is an integer number (4571013330).

Almost surely, 2^36434521231 is an apocalyptic number.

36434521231 is a deficient number, since it is larger than the sum of its proper divisors (133585409).

36434521231 is a wasteful number, since it uses less digits than its factorization.

36434521231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108953.

The product of its digits is 51840, while the sum is 34.

The spelling of 36434521231 in words is "thirty-six billion, four hundred thirty-four million, five hundred twenty-one thousand, two hundred thirty-one".