131000349 has 8 divisors (see below), whose sum is σ = 174972160. Its totient is φ = 87181056.

The previous prime is 131000321. The next prime is 131000357. The reversal of 131000349 is 943000131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131000349 - 2¹² = 130996253 is a prime.

It is a super-2 number, since 2×131000349² = 34322182876243602, which 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 (131000399) 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, 36109 + ... + 39570.

It is an arithmetic number, because the mean of its divisors is an integer number (21871520).

Almost surely, 2^131000349 is an apocalyptic number.

It is an amenable number.

131000349 is a deficient number, since it is larger than the sum of its proper divisors (43971811).

131000349 is an equidigital number, since it uses as much as digits as its factorization.

131000349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76259.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 131000349 is about 11445.5383883852. The cubic root of 131000349 is about 507.8757588268.

The spelling of 131000349 in words is "one hundred thirty-one million, three hundred forty-nine", and thus it is an aban number.