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1203100000131 = 31722641752529
BaseRepresentation
bin10001100000011110010…
…110010001111110000011
311021000102002220102201010
4101200132112101332003
5124202422100001011
62320410240212003
7152630640161211
oct21403626217603
94230362812633
101203100000131
11424260649077
1217520390a003
13895b4912b03
1442332121cb1
1521466e341a6
hex1181e591f83

1203100000131 has 24 divisors (see below), whose sum is σ = 1704141699120. Its totient is φ = 754843328512.

The previous prime is 1203100000127. The next prime is 1203100000181. The reversal of 1203100000131 is 1310000013021.

It is not a de Polignac number, because 1203100000131 - 22 = 1203100000127 is a prime.

It is a super-2 number, since 2×12031000001312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203100000181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22877275 + ... + 22929803.

It is an arithmetic number, because the mean of its divisors is an integer number (71005904130).

Almost surely, 21203100000131 is an apocalyptic number.

1203100000131 is a deficient number, since it is larger than the sum of its proper divisors (501041698989).

1203100000131 is a wasteful number, since it uses less digits than its factorization.

1203100000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78983 (or 78966 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1203100000131 its reverse (1310000013021), we get a palindrome (2513100013152).

The spelling of 1203100000131 in words is "one trillion, two hundred three billion, one hundred million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 17 51 289 867 26417 52529 79251 157587 449089 892993 1347267 2678979 7634513 15180881 22903539 45542643 1387658593 4162975779 23590196081 70770588243 401033333377 1203100000131