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13113013231230 = 2351139736403731
BaseRepresentation
bin1011111011010001110001…
…1111101101111001111110
31201102120222102211111211020
42332310130133231321332
53204320422341344410
643520011330205010
72522245456252503
oct276643437557176
951376872744736
1013113013231230
1141a621a128050
121579481723766
13741723520083
1433495d4974aa
1517b176088a70
hexbed1c7ede7e

13113013231230 has 32 divisors (see below), whose sum is σ = 34332252824448. Its totient is φ = 3178912298400.

The previous prime is 13113013231207. The next prime is 13113013231237. The reversal of 13113013231230 is 3213231031131.

It is a super-2 number, since 2×131130132312302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13113013231230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113013231237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19868201536 + ... + 19868202195.

It is an arithmetic number, because the mean of its divisors is an integer number (1072882900764).

Almost surely, 213113013231230 is an apocalyptic number.

13113013231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13113013231230 is an abundant number, since it is smaller than the sum of its proper divisors (21219239593218).

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

13113013231230 is a wasteful number, since it uses less digits than its factorization.

13113013231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39736403752.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13113013231230 its reverse (3213231031131), we get a palindrome (16326244262361).

The spelling of 13113013231230 in words is "thirteen trillion, one hundred thirteen billion, thirteen million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 39736403731 79472807462 119209211193 198682018655 238418422386 397364037310 437100441041 596046055965 874200882082 1192092111930 1311301323123 2185502205205 2622602646246 4371004410410 6556506615615 13113013231230