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231032112312000 = 2635365291474397
BaseRepresentation
bin110100100001111101011010…
…111111000110111011000000
31010022000110021010201201020110
4310201331122333012323000
5220240212231222441000
62135210404233311320
766443343054634656
oct6441753277067300
91108013233651213
10231032112312000
116768319445061a
1221ab36a2b65540
139bbb30886a8bc
14410a02a1d4dd6
151ba9a1e8a3850
hexd21f5afc6ec0

231032112312000 has 224 divisors, whose sum is σ = 762985395357120. Its totient is φ = 61599085363200.

The previous prime is 231032112311993. The next prime is 231032112312031. The reversal of 231032112312000 is 213211230132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155958802 + ... + 157433198.

Almost surely, 2231032112312000 is an apocalyptic number.

231032112312000 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 231032112312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381492697678560).

231032112312000 is an abundant number, since it is smaller than the sum of its proper divisors (531953283045120).

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

231032112312000 is a wasteful number, since it uses less digits than its factorization.

231032112312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480956 (or 1480936 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231032112312000 its reverse (213211230132), we get a palindrome (231245323542132).

The spelling of 231032112312000 in words is "two hundred thirty-one trillion, thirty-two billion, one hundred twelve million, three hundred twelve thousand".