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1031312300100 = 223523437707667
BaseRepresentation
bin11110000000111110000…
…00001101100001000100
310122120222221001002011120
433000133000031201010
5113344111422100400
62105440041433540
7134336610624465
oct17003700154104
93576887032146
101031312300100
113684169a8465
12147a6049b8b0
13763384b4374
1437cb6c94d6c
151bc606aeca0
hexf01f00d844

1031312300100 has 36 divisors (see below), whose sum is σ = 2983930255824. Its totient is φ = 275016613280.

The previous prime is 1031312300093. The next prime is 1031312300101. The reversal of 1031312300100 is 10032131301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031312300100.

It is not an unprimeable number, because it can be changed into a prime (1031312300101) 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, 1718853534 + ... + 1718854133.

Almost surely, 21031312300100 is an apocalyptic number.

1031312300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031312300100 is an abundant number, since it is smaller than the sum of its proper divisors (1952617955724).

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

1031312300100 is a wasteful number, since it uses less digits than its factorization.

1031312300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437707684 (or 3437707677 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1031312300100 its reverse (10032131301), we get a palindrome (1041344431401).

The spelling of 1031312300100 in words is "one trillion, thirty-one billion, three hundred twelve million, three hundred thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 3437707667 6875415334 10313123001 13750830668 17188538335 20626246002 34377076670 41252492004 51565615005 68754153340 85942691675 103131230010 171885383350 206262460020 257828075025 343770766700 515656150050 1031312300100