3656155311231 has 16 divisors (see below), whose sum is σ = 4929163008000. Its totient is φ = 2410437016800.

The previous prime is 3656155311217. The next prime is 3656155311257. The reversal of 3656155311231 is 1321135516563.

3656155311231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3656155311231 - 2¹⁸ = 3656155049087 is a prime.

It is a super-2 number, since 2×3656155311231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656155311031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17995356 + ... + 18197393.

It is an arithmetic number, because the mean of its divisors is an integer number (308072688000).

Almost surely, 2^{3656155311231} is an apocalyptic number.

3656155311231 is a deficient number, since it is larger than the sum of its proper divisors (1273007696769).

3656155311231 is a wasteful number, since it uses less digits than its factorization.

3656155311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36193126.

The product of its digits is 243000, while the sum is 42.

The spelling of 3656155311231 in words is "three trillion, six hundred fifty-six billion, one hundred fifty-five million, three hundred eleven thousand, two hundred thirty-one".