130521232351 has 8 divisors (see below), whose sum is σ = 132316660224. Its totient is φ = 128726006400.

The previous prime is 130521232337. The next prime is 130521232363. The reversal of 130521232351 is 153232125031.

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

It is a cyclic number.

It is not a de Polignac number, because 130521232351 - 2¹⁵ = 130521199583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130521232381) 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, 1635426 + ... + 1713376.

It is an arithmetic number, because the mean of its divisors is an integer number (16539582528).

Almost surely, 2^130521232351 is an apocalyptic number.

130521232351 is a deficient number, since it is larger than the sum of its proper divisors (1795427873).

130521232351 is an equidigital number, since it uses as much as digits as its factorization.

130521232351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100961.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 130521232351 its reverse (153232125031), we get a palindrome (283753357382).

The spelling of 130521232351 in words is "one hundred thirty billion, five hundred twenty-one million, two hundred thirty-two thousand, three hundred fifty-one".