131133210315205 has 16 divisors (see below), whose sum is σ = 185641116171264. Its totient is φ = 87019273203840.

The previous prime is 131133210315179. The next prime is 131133210315293. The reversal of 131133210315205 is 502513012331131.

It is not a de Polignac number, because 131133210315205 - 2¹³ = 131133210307013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60430049752 + ... + 60430051921.

It is an arithmetic number, because the mean of its divisors is an integer number (11602569760704).

Almost surely, 2^{131133210315205} is an apocalyptic number.

It is an amenable number.

131133210315205 is a deficient number, since it is larger than the sum of its proper divisors (54507905856059).

131133210315205 is a wasteful number, since it uses less digits than its factorization.

131133210315205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120860101716.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 131133210315205 its reverse (502513012331131), we get a palindrome (633646222646336).

The spelling of 131133210315205 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, two hundred ten million, three hundred fifteen thousand, two hundred five".