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31300020300 = 22352104333401
BaseRepresentation
bin11101001001101000…
…000110100001001100
32222210100111202222010
4131021220012201030
51003100301122200
622213512021220
72155433532333
oct351150064114
988710452863
1031300020300
111230205557a
126096391810
132c4a809393
14172cd72d1a
15c32d20150
hex749a0684c

31300020300 has 36 divisors (see below), whose sum is σ = 90561392936. Its totient is φ = 8346672000.

The previous prime is 31300020277. The next prime is 31300020397. The reversal of 31300020300 is 302000313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52166401 + ... + 52167000.

Almost surely, 231300020300 is an apocalyptic number.

31300020300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31300020300 is an abundant number, since it is smaller than the sum of its proper divisors (59261372636).

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

31300020300 is a wasteful number, since it uses less digits than its factorization.

31300020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104333418 (or 104333411 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 31300020300 its reverse (302000313), we get a palindrome (31602020613).

The spelling of 31300020300 in words is "thirty-one billion, three hundred million, twenty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 104333401 208666802 313000203 417333604 521667005 626000406 1043334010 1252000812 1565001015 2086668020 2608335025 3130002030 5216670050 6260004060 7825005075 10433340100 15650010150 31300020300