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312103333232130 = 23511173743251139313
BaseRepresentation
bin100011011110110110011100…
…0010011110111111000000010
31111221001210020220201202210010
41012331230320103313320002
5311402000111301412010
63023442143020045350
7122511502355463036
oct10675547023677002
91457053226652703
10312103333232130
119049a30a102020
122b007872993856
131051c2ab05062b
14570dc4c0221c6
1526137cd433620
hex11bdb384f7e02

312103333232130 has 512 divisors, whose sum is σ = 912888683384832. Its totient is φ = 67404718080000.

The previous prime is 312103333232129. The next prime is 312103333232179. The reversal of 312103333232130 is 31232333301213.

It is a super-2 number, since 2×3121033332321302 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2240233354 + ... + 2240372666.

It is an arithmetic number, because the mean of its divisors is an integer number (1782985709736).

Almost surely, 2312103333232130 is an apocalyptic number.

312103333232130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312103333232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456444341692416).

312103333232130 is an abundant number, since it is smaller than the sum of its proper divisors (600785350152702).

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

312103333232130 is a wasteful number, since it uses less digits than its factorization.

312103333232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139682.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 312103333232130 its reverse (31232333301213), we get a palindrome (343335666533343).

The spelling of 312103333232130 in words is "three hundred twelve trillion, one hundred three billion, three hundred thirty-three million, two hundred thirty-two thousand, one hundred thirty".