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2312331000000 = 263567149739
BaseRepresentation
bin100001101001100001101…
…010101111100011000000
322012001112022201120200220
4201221201222233203000
5300341123214000000
64530134210143040
7326026501125630
oct41514152574300
98161468646626
102312331000000
1181172162697a
1231418ab81a80
1313a089c8a788
147dcbb5726c0
1540237ee11a0
hex21a61aaf8c0

2312331000000 has 784 divisors, whose sum is σ = 8810512224000. Its totient is φ = 524275200000.

The previous prime is 2312330999987. The next prime is 2312331000053. The reversal of 2312331000000 is 1332132.

It is a super-2 number, since 2×23123310000002 (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 3128999631 + ... + 3129000369.

Almost surely, 22312331000000 is an apocalyptic number.

2312331000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312331000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4405256112000).

2312331000000 is an abundant number, since it is smaller than the sum of its proper divisors (6498181224000).

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

2312331000000 is an frugal number, since it uses more digits than its factorization.

2312331000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2312331000000 its reverse (1332132), we get a palindrome (2312332332132).

The spelling of 2312331000000 in words is "two trillion, three hundred twelve billion, three hundred thirty-one million", and thus it is an aban number.