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113131012323121 = 1312768522720971
BaseRepresentation
bin11001101110010001011101…
…110011010111011100110001
3112211120012220202121122102221
4121232101131303113130301
5104312014303123314441
61040335400344041041
732554305643245442
oct3156213563273461
9484505822548387
10113131012323121
1133057658156381
121083166b163181
134b18293639140
141dd17da93b2c9
15d12be5ad28d1
hex66e45dcd7731

113131012323121 has 8 divisors (see below), whose sum is σ = 122792715981824. Its totient is φ = 103606354106640.

The previous prime is 113131012323097. The next prime is 113131012323143. The reversal of 113131012323121 is 121323210131311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113131012323121 - 215 = 113131012290353 is a prime.

It is a super-2 number, since 2×1131310123231212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113131012393121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34261358835 + ... + 34261362136.

It is an arithmetic number, because the mean of its divisors is an integer number (15349089497728).

Almost surely, 2113131012323121 is an apocalyptic number.

It is an amenable number.

113131012323121 is a deficient number, since it is larger than the sum of its proper divisors (9661703658703).

113131012323121 is a wasteful number, since it uses less digits than its factorization.

113131012323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68522721111.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 113131012323121 its reverse (121323210131311), we get a palindrome (234454222454432).

The spelling of 113131012323121 in words is "one hundred thirteen trillion, one hundred thirty-one billion, twelve million, three hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 13 127 1651 68522720971 890795372623 8702385563317 113131012323121