131003000 has 64 divisors (see below), whose sum is σ = 308318400. Its totient is φ = 52099200.

The previous prime is 131002997. The next prime is 131003011. The reversal of 131003000 is 300131.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268757 + ... + 269243.

It is an arithmetic number, because the mean of its divisors is an integer number (4817475).

Almost surely, 2^131003000 is an apocalyptic number.

131003000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154159200).

131003000 is an abundant number, since it is smaller than the sum of its proper divisors (177315400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131003000 is a wasteful number, since it uses less digits than its factorization.

131003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 131003000 is about 11445.6541971178. The cubic root of 131003000 is about 507.8791846944.

Adding to 131003000 its reverse (300131), we get a palindrome (131303131).

The spelling of 131003000 in words is "one hundred thirty-one million, three thousand".