3640131242311 has 8 divisors (see below), whose sum is σ = 3673666640000. Its totient is φ = 3606700807800.

The previous prime is 3640131242303. The next prime is 3640131242351. The reversal of 3640131242311 is 1132421310463.

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 3640131242311 - 2³ = 3640131242303 is a prime.

It is a super-2 number, since 2×3640131242311² (a number of 26 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 (3640131242351) 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, 26171115 + ... + 26309836.

It is an arithmetic number, because the mean of its divisors is an integer number (459208330000).

Almost surely, 2^{3640131242311} is an apocalyptic number.

3640131242311 is a deficient number, since it is larger than the sum of its proper divisors (33535397689).

3640131242311 is a wasteful number, since it uses less digits than its factorization.

3640131242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52481589.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 3640131242311 its reverse (1132421310463), we get a palindrome (4772552552774).

The spelling of 3640131242311 in words is "three trillion, six hundred forty billion, one hundred thirty-one million, two hundred forty-two thousand, three hundred eleven".