131002330 has 8 divisors (see below), whose sum is σ = 235804212. Its totient is φ = 52400928.

The previous prime is 131002279. The next prime is 131002343. The reversal of 131002330 is 33200131.

It can be written as a sum of positive squares in 2 ways, for example, as 121815369 + 9186961 = 11037^2 + 3031^2 .

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

It is a super-2 number, since 2×131002330² = 34323220930857800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131002330.

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, 6550107 + ... + 6550126.

Almost surely, 2^131002330 is an apocalyptic number.

131002330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131002330 is a deficient number, since it is larger than the sum of its proper divisors (104801882).

131002330 is a wasteful number, since it uses less digits than its factorization.

131002330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100240.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 131002330 is about 11445.6249283296. The cubic root of 131002330 is about 507.8783188628.

Adding to 131002330 its reverse (33200131), we get a palindrome (164202461).

The spelling of 131002330 in words is "one hundred thirty-one million, two thousand, three hundred thirty".