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31230010014120 = 2333541997707407
BaseRepresentation
bin1110001100111010011011…
…01001110011100110101000
311002120120010002112112122000
413012131031221303212220
513043133030030422440
6150230511334331000
76402202522116621
oct706351551634650
9132516102475560
1031230010014120
119a50633540a05
1236047031b9a60
131456c921b7158
1479d77d3a8a48
1539256e41a730
hex1c674da739a8

31230010014120 has 256 divisors, whose sum is σ = 106746169420800. Its totient is φ = 8116719851520.

The previous prime is 31230010014107. The next prime is 31230010014139. The reversal of 31230010014120 is 2141001003213.

31230010014120 is a `hidden beast` number, since 312 + 300 + 10 + 0 + 1 + 41 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31230010014093 and 31230010014102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43793457 + ... + 44500863.

It is an arithmetic number, because the mean of its divisors is an integer number (416977224300).

Almost surely, 231230010014120 is an apocalyptic number.

31230010014120 is a gapful number since it is divisible by the number (30) 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 31230010014120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53373084710400).

31230010014120 is an abundant number, since it is smaller than the sum of its proper divisors (75516159406680).

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

31230010014120 is a wasteful number, since it uses less digits than its factorization.

31230010014120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708465 (or 708455 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31230010014120 its reverse (2141001003213), we get a palindrome (33371011017333).

The spelling of 31230010014120 in words is "thirty-one trillion, two hundred thirty billion, ten million, fourteen thousand, one hundred twenty".