131000204031109 has 8 divisors (see below), whose sum is σ = 150035106731328. Its totient is φ = 112045448290560.

The previous prime is 131000204030953. The next prime is 131000204031133. The reversal of 131000204031109 is 901130402000131.

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 131000204031109 - 2²¹ = 131000201933957 is a prime.

It is a super-2 number, since 2×131000204031109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000204032109) 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, 20036736412 + ... + 20036742949.

It is an arithmetic number, because the mean of its divisors is an integer number (18754388341416).

Almost surely, 2^{131000204031109} is an apocalyptic number.

It is an amenable number.

131000204031109 is a deficient number, since it is larger than the sum of its proper divisors (19034902700219).

131000204031109 is an equidigital number, since it uses as much as digits as its factorization.

131000204031109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073479835.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 131000204031109 in words is "one hundred thirty-one trillion, two hundred four million, thirty-one thousand, one hundred nine".