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131101231310 = 25710917182337
BaseRepresentation
bin111101000011000111…
…1100000100011001110
3110112101200002120222122
41322012033200203032
54121443403400220
6140121014212542
712320545036160
oct1720617404316
9415350076878
10131101231310
1150666255555
12214a9654152
13c494096aaa
1464b9848930
15362488e425
hex1e863e08ce

131101231310 has 32 divisors (see below), whose sum is σ = 272168233920. Its totient is φ = 44536614912.

The previous prime is 131101231199. The next prime is 131101231319. The reversal of 131101231310 is 13132101131.

It is a super-2 number, since 2×1311012313102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101231319) 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, 8583539 + ... + 8598798.

It is an arithmetic number, because the mean of its divisors is an integer number (8505257310).

Almost surely, 2131101231310 is an apocalyptic number.

131101231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131101231310 is an abundant number, since it is smaller than the sum of its proper divisors (141067002610).

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

131101231310 is a wasteful number, since it uses less digits than its factorization.

131101231310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17182460.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 131101231310 its reverse (13132101131), we get a palindrome (144233332441).

The spelling of 131101231310 in words is "one hundred thirty-one billion, one hundred one million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 109 218 545 763 1090 1526 3815 7630 17182337 34364674 85911685 120276359 171823370 240552718 601381795 1202763590 1872874733 3745749466 9364373665 13110123131 18728747330 26220246262 65550615655 131101231310