36641224131 has 32 divisors (see below), whose sum is σ = 49707356160. Its totient is φ = 24005872800.

The previous prime is 36641224127. The next prime is 36641224141. The reversal of 36641224131 is 13142214663.

It is a happy number.

It is not a de Polignac number, because 36641224131 - 2² = 36641224127 is a prime.

It is a super-2 number, since 2×36641224131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36641224092 and 36641224101.

It is not an unprimeable number, because it can be changed into a prime (36641224141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34469106 + ... + 34470168.

It is an arithmetic number, because the mean of its divisors is an integer number (1553354880).

Almost surely, 2^36641224131 is an apocalyptic number.

36641224131 is a deficient number, since it is larger than the sum of its proper divisors (13066132029).

36641224131 is a wasteful number, since it uses less digits than its factorization.

36641224131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 20736, while the sum is 33.

Adding to 36641224131 its reverse (13142214663), we get a palindrome (49783438794).

The spelling of 36641224131 in words is "thirty-six billion, six hundred forty-one million, two hundred twenty-four thousand, one hundred thirty-one".