36402820131 has 4 divisors (see below), whose sum is σ = 48537093512. Its totient is φ = 24268546752.

The previous prime is 36402820127. The next prime is 36402820193. The reversal of 36402820131 is 13102820463.

36402820131 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.

It is not a de Polignac number, because 36402820131 - 2² = 36402820127 is a prime.

It is a super-2 number, since 2×36402820131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36402825131) 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, 6067136686 + ... + 6067136691.

It is an arithmetic number, because the mean of its divisors is an integer number (12134273378).

Almost surely, 2^36402820131 is an apocalyptic number.

36402820131 is a deficient number, since it is larger than the sum of its proper divisors (12134273381).

36402820131 is a wasteful number, since it uses less digits than its factorization.

36402820131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134273380.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 36402820131 in words is "thirty-six billion, four hundred two million, eight hundred twenty thousand, one hundred thirty-one".