36540308631 has 4 divisors (see below), whose sum is σ = 48720411512. Its totient is φ = 24360205752.

The previous prime is 36540308621. The next prime is 36540308659. The reversal of 36540308631 is 13680304563.

36540308631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13680304563 = 3 ⋅4560101521.

It is not a de Polignac number, because 36540308631 - 2¹⁴ = 36540292247 is a prime.

It is a super-2 number, since 2×36540308631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36540308631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36540308611) 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, 6090051436 + ... + 6090051441.

It is an arithmetic number, because the mean of its divisors is an integer number (12180102878).

Almost surely, 2^36540308631 is an apocalyptic number.

36540308631 is a deficient number, since it is larger than the sum of its proper divisors (12180102881).

36540308631 is a wasteful number, since it uses less digits than its factorization.

36540308631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180102880.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 36540308631 in words is "thirty-six billion, five hundred forty million, three hundred eight thousand, six hundred thirty-one".