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23021312110331 = 3118712111188021
BaseRepresentation
bin1010011110000000100010…
…01000010110111011111011
310000111211000211020011100112
411033000101020112323323
511004140121400012311
6120543502250054535
74564143401152313
oct517002110267373
9100454024204315
1023021312110331
117376313581737
1226b9826a1a44b
13cacb922a67c2
145983477d0443
1529dc8562928b
hex14f011216efb

23021312110331 has 16 divisors (see below), whose sum is σ = 23788026003456. Its totient is φ = 22256115420000.

The previous prime is 23021312110271. The next prime is 23021312110337. The reversal of 23021312110331 is 13301121312032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23021312110331 is a prime.

It is a super-2 number, since 2×230213121103312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021312110297 and 23021312110306.

It is not an unprimeable number, because it can be changed into a prime (23021312110337) 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, 122346101 + ... + 122534121.

It is an arithmetic number, because the mean of its divisors is an integer number (1486751625216).

Almost surely, 223021312110331 is an apocalyptic number.

23021312110331 is a deficient number, since it is larger than the sum of its proper divisors (766713893125).

23021312110331 is a wasteful number, since it uses less digits than its factorization.

23021312110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192034.

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

Adding to 23021312110331 its reverse (13301121312032), we get a palindrome (36322433422363).

The spelling of 23021312110331 in words is "twenty-three trillion, twenty-one billion, three hundred twelve million, one hundred ten thousand, three hundred thirty-one".

Divisors: 1 31 1871 2111 58001 65441 188021 3949681 5828651 122440111 351787291 396912331 10905406021 12304282261 742622971301 23021312110331