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13031001030100 = 22521033712606173
BaseRepresentation
bin1011110110100000010000…
…1011111111110111010100
31201010202021212102000210111
42331220010023333313110
53201444442230430400
643414205332132404
72513313232121344
oct275500413776724
951122255360714
1013031001030100
114174464400529
1215655b3a67104
13736a8355b501
143309bd3a8d24
15178e760e73ba
hexbda042ffdd4

13031001030100 has 36 divisors (see below), whose sum is σ = 28280010018204. Its totient is φ = 5211895751680.

The previous prime is 13031001030059. The next prime is 13031001030107. The reversal of 13031001030100 is 103010013031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 87210358596 + 12943790671504 = 295314^2 + 3597748^2 .

It is a super-2 number, since 2×130310010301002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031001030107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5269387 + ... + 7336786.

It is an arithmetic number, because the mean of its divisors is an integer number (785555833839).

Almost surely, 213031001030100 is an apocalyptic number.

13031001030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031001030100 is an abundant number, since it is smaller than the sum of its proper divisors (15249008988104).

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

13031001030100 is a wasteful number, since it uses less digits than its factorization.

13031001030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12616524 (or 12616517 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 13031001030100 its reverse (103010013031), we get a palindrome (13134011043131).

The spelling of 13031001030100 in words is "thirteen trillion, thirty-one billion, one million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10337 20674 41348 51685 103370 206740 258425 516850 1033700 12606173 25212346 50424692 63030865 126061730 252123460 315154325 630308650 1260617300 130310010301 260620020602 521240041204 651550051505 1303100103010 2606200206020 3257750257525 6515500515050 13031001030100