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13231232130 = 2351817193389
BaseRepresentation
bin11000101001010010…
…01001010010000010
31021011002220020022110
430110221021102002
5204044143412010
610024531120150
7645611421534
oct142451112202
937132806273
1013231232130
11567a75a596
122693143056
13132b272a4c
148d735b854
155268ca120
hex314a49482

13231232130 has 64 divisors (see below), whose sum is σ = 31984243200. Its totient is φ = 3502920960.

The previous prime is 13231232111. The next prime is 13231232143. The reversal of 13231232130 is 3123213231.

It is a junction number, because it is equal to n+sod(n) for n = 13231232097 and 13231232106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3902476 + ... + 3905864.

It is an arithmetic number, because the mean of its divisors is an integer number (499753800).

Almost surely, 213231232130 is an apocalyptic number.

13231232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231232130 is an abundant number, since it is smaller than the sum of its proper divisors (18753011070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231232130 is a wasteful number, since it uses less digits than its factorization.

13231232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13231232130 its reverse (3123213231), we get a palindrome (16354445361).

The spelling of 13231232130 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 719 905 1086 1438 1810 2157 2715 3389 3595 4314 5430 6778 7190 10167 10785 16945 20334 21570 33890 50835 101670 130139 260278 390417 613409 650695 780834 1226818 1301390 1840227 1952085 2436691 3067045 3680454 3904170 4873382 6134090 7310073 9201135 12183455 14620146 18402270 24366910 36550365 73100730 441041071 882082142 1323123213 2205205355 2646246426 4410410710 6615616065 13231232130