130502331 has 24 divisors (see below), whose sum is σ = 192741120. Its totient is φ = 85066800.

The previous prime is 130502329. The next prime is 130502347. The reversal of 130502331 is 133205031.

130502331 is a `hidden beast` number, since 130 + 502 + 3 + 31 = 666.

It is not a de Polignac number, because 130502331 - 2¹ = 130502329 is a prime.

It is a super-2 number, since 2×130502331² = 34061716792867122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130502381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82930 + ... + 84488.

It is an arithmetic number, because the mean of its divisors is an integer number (8030880).

Almost surely, 2^130502331 is an apocalyptic number.

130502331 is a deficient number, since it is larger than the sum of its proper divisors (62238789).

130502331 is a wasteful number, since it uses less digits than its factorization.

130502331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 130502331 is about 11423.7616834386. The cubic root of 130502331 is about 507.2313522296.

Adding to 130502331 its reverse (133205031), we get a palindrome (263707362).

The spelling of 130502331 in words is "one hundred thirty million, five hundred two thousand, three hundred thirty-one".