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311320000100 = 22523113200001
BaseRepresentation
bin1001000011111000001…
…11100011011001100100
31002202120102111121121002
410201330013203121210
520100040410000400
6355003552012432
731330541224154
oct4417407433144
91082512447532
10311320000100
1111003702998a
1250404531118
1323485137515
14110d4710764
1581713aced5
hex487c1e3664

311320000100 has 18 divisors (see below), whose sum is σ = 675564400434. Its totient is φ = 124528000000.

The previous prime is 311320000091. The next prime is 311320000127. The reversal of 311320000100 is 1000023113.

It can be written as a sum of positive squares in 3 ways, for example, as 67068568576 + 244251431524 = 258976^2 + 494218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1556599901 + ... + 1556600100.

Almost surely, 2311320000100 is an apocalyptic number.

It is an amenable number.

311320000100 is an abundant number, since it is smaller than the sum of its proper divisors (364244400334).

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

311320000100 is a wasteful number, since it uses less digits than its factorization.

311320000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113200015 (or 3113200008 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 311320000100 its reverse (1000023113), we get a palindrome (312320023213).

The spelling of 311320000100 in words is "three hundred eleven billion, three hundred twenty million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 3113200001 6226400002 12452800004 15566000005 31132000010 62264000020 77830000025 155660000050 311320000100