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13031211210332 = 22737311291105157
BaseRepresentation
bin1011110110100001000010…
…1101110001011001011100
31201010202211111220021212112
42331220100231301121130
53202000410032212312
643414242241053152
72513321363455610
oct275502055613134
951122744807775
1013031211210332
114174562006aa7
1215656523271b8
13736ab7c6b403
143309dd27b340
15178e897b2d22
hexbda10b7165c

13031211210332 has 48 divisors (see below), whose sum is σ = 26155464941760. Its totient is φ = 5564893681152.

The previous prime is 13031211210313. The next prime is 13031211210401. The reversal of 13031211210332 is 23301211213031.

13031211210332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13031211210298 and 13031211210307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11238698 + ... + 12343854.

It is an arithmetic number, because the mean of its divisors is an integer number (544905519620).

Almost surely, 213031211210332 is an apocalyptic number.

It is an amenable number.

13031211210332 is an abundant number, since it is smaller than the sum of its proper divisors (13124253731428).

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

13031211210332 is a wasteful number, since it uses less digits than its factorization.

13031211210332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106670 (or 1106668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13031211210332 its reverse (23301211213031), we get a palindrome (36332422423363).

The spelling of 13031211210332 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, two hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 373 746 1129 1492 2258 2611 4516 5222 7903 10444 15806 31612 421117 842234 1105157 1684468 2210314 2947819 4420628 5895638 7736099 11791276 15472198 30944396 412223561 824447122 1247722253 1648894244 2495444506 2885564927 4990889012 5771129854 8734055771 11542259708 17468111542 34936223084 465400400369 930800800738 1861601601476 3257802802583 6515605605166 13031211210332