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130013012231 = 887983149111
BaseRepresentation
bin111100100010101100…
…0010010000100000111
3110102120211102100001022
41321011120102010013
54112231312342411
6135421022021355
712251562240614
oct1710530220407
9412524370038
10130013012231
1150157a57443
122124511785b
13c34c7ac48b
1464150d550b
1535ae083edb
hex1e45612107

130013012231 has 8 divisors (see below), whose sum is σ = 130292872704. Its totient is φ = 129733453720.

The previous prime is 130013012219. The next prime is 130013012237. The reversal of 130013012231 is 132210310031.

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 130013012231 - 234 = 112833143047 is a prime.

It is a super-2 number, since 2×1300130122312 (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 (130013012237) 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, 797366 + ... + 946476.

It is an arithmetic number, because the mean of its divisors is an integer number (16286609088).

Almost surely, 2130013012231 is an apocalyptic number.

130013012231 is a deficient number, since it is larger than the sum of its proper divisors (279860473).

130013012231 is an equidigital number, since it uses as much as digits as its factorization.

130013012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150981.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130013012231 its reverse (132210310031), we get a palindrome (262223322262).

The spelling of 130013012231 in words is "one hundred thirty billion, thirteen million, twelve thousand, two hundred thirty-one".

Divisors: 1 887 983 149111 871921 132261457 146576113 130013012231