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130315213 = 731758727
BaseRepresentation
bin1111100010001…
…11001111001101
3100002012200212101
413301013033031
5231330041323
620533035101
73141442510
oct761071715
9302180771
10130315213
1167617826
1237785a91
1320cc90c2
1413442d77
15b691dad
hex7c473cd

130315213 has 8 divisors (see below), whose sum is σ = 149404032. Its totient is φ = 111344496.

The previous prime is 130315189. The next prime is 130315219. The reversal of 130315213 is 312513031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130315213 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 (130315219) 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, 27145 + ... + 31582.

It is an arithmetic number, because the mean of its divisors is an integer number (18675504).

Almost surely, 2130315213 is an apocalyptic number.

It is an amenable number.

130315213 is a deficient number, since it is larger than the sum of its proper divisors (19088819).

130315213 is an equidigital number, since it uses as much as digits as its factorization.

130315213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59051.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 130315213 is about 11415.5688863937. The cubic root of 130315213 is about 506.9888086312.

Adding to 130315213 its reverse (312513031), we get a palindrome (442828244).

The spelling of 130315213 in words is "one hundred thirty million, three hundred fifteen thousand, two hundred thirteen".

Divisors: 1 7 317 2219 58727 411089 18616459 130315213