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130213310231 = 438623351179
BaseRepresentation
bin111100101000101010…
…0010110111100010111
3110110002210022112020202
41321101110112330113
54113134101411411
6135452535051115
712256543606034
oct1712124267427
9413083275222
10130213310231
1150250023284
12212a0210a9b
13c38213c2c4
14643395438b
1535c194b83b
hex1e51516f17

130213310231 has 8 divisors (see below), whose sum is σ = 133257358080. Its totient is φ = 127169982072.

The previous prime is 130213310219. The next prime is 130213310273. The reversal of 130213310231 is 132013312031.

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 130213310231 - 218 = 130213048087 is a prime.

It is a super-2 number, since 2×1302133102312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130213315231) 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, 195200 + ... + 546378.

It is an arithmetic number, because the mean of its divisors is an integer number (16657169760).

Almost surely, 2130213310231 is an apocalyptic number.

130213310231 is a deficient number, since it is larger than the sum of its proper divisors (3044047849).

130213310231 is an equidigital number, since it uses as much as digits as its factorization.

130213310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359845.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 130213310231 its reverse (132013312031), we get a palindrome (262226622262).

The spelling of 130213310231 in words is "one hundred thirty billion, two hundred thirteen million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 43 8623 351179 370789 15100697 3028216517 130213310231