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1023210113131 = 19284991889651
BaseRepresentation
bin11101110001111000001…
…00110100100001101011
310121211002021100100002201
432320330010310201223
5113231013242110011
62102020051441031
7133632046313233
oct16707404644153
93554067310081
101023210113131
11364a39485478
1214637abb6177
1375646a431ab
1437748bcacc3
151b93922bcc1
hexee3c13486b

1023210113131 has 8 divisors (see below), whose sum is σ = 1077101640000. Its totient is φ = 969322422600.

The previous prime is 1023210113113. The next prime is 1023210113147. The reversal of 1023210113131 is 1313110123201.

1023210113131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1023210113131 - 29 = 1023210112619 is a prime.

It is a super-2 number, since 2×10232101131312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1023210113099 and 1023210113108.

It is not an unprimeable number, because it can be changed into a prime (1023210113831) 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, 403345 + ... + 1486306.

It is an arithmetic number, because the mean of its divisors is an integer number (134637705000).

Almost surely, 21023210113131 is an apocalyptic number.

1023210113131 is a deficient number, since it is larger than the sum of its proper divisors (53891526869).

1023210113131 is a wasteful number, since it uses less digits than its factorization.

1023210113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918169.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1023210113131 its reverse (1313110123201), we get a palindrome (2336320236332).

The spelling of 1023210113131 in words is "one trillion, twenty-three billion, two hundred ten million, one hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 19 28499 541481 1889651 35903369 53853163849 1023210113131