131000344 has 16 divisors (see below), whose sum is σ = 248011920. Its totient is φ = 64863840.

The previous prime is 131000321. The next prime is 131000357. The reversal of 131000344 is 443000131.

It is a super-2 number, since 2×131000344² = 34322180256236672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78667 + ... + 80314.

It is an arithmetic number, because the mean of its divisors is an integer number (15500745).

Almost surely, 2^131000344 is an apocalyptic number.

It is an amenable number.

131000344 is a deficient number, since it is larger than the sum of its proper divisors (117011576).

131000344 is a wasteful number, since it uses less digits than its factorization.

131000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159090 (or 159086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131000344 is about 11445.5381699595. The cubic root of 131000344 is about 507.8757523653.

Adding to 131000344 its reverse (443000131), we get a palindrome (574000475).

The spelling of 131000344 in words is "one hundred thirty-one million, three hundred forty-four", and thus it is an aban number.