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103130311302 = 2325997109521
BaseRepresentation
bin110000000001100001…
…0111010101010000110
3100212012022212122002100
41200003002322222012
53142202324430202
6115213304252530
710310444116344
oct1400302725206
9325168778070
10103130311302
113a812410337
1217ba2171146
1399571bb355
144dc4aa8994
152a38e6e41c
hex18030baa86

103130311302 has 24 divisors (see below), whose sum is σ = 227236281480. Its totient is φ = 33794112960.

The previous prime is 103130311247. The next prime is 103130311303. The reversal of 103130311302 is 203113031301.

It is a happy number.

103130311302 is a `hidden beast` number, since 10 + 313 + 0 + 311 + 30 + 2 = 666.

It is a super-2 number, since 2×1031303113022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103130311303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48553699 + ... + 48555822.

It is an arithmetic number, because the mean of its divisors is an integer number (9468178395).

Almost surely, 2103130311302 is an apocalyptic number.

103130311302 is an abundant number, since it is smaller than the sum of its proper divisors (124105970178).

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

103130311302 is a wasteful number, since it uses less digits than its factorization.

103130311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97109588 (or 97109585 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103130311302 its reverse (203113031301), we get a palindrome (306243342603).

The spelling of 103130311302 in words is "one hundred three billion, one hundred thirty million, three hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 97109521 194219042 291328563 582657126 873985689 1747971378 5729461739 11458923478 17188385217 34376770434 51565155651 103130311302