| Base | Representation |
|---|---|
| bin | 1110001001101101110000… |
| … | …10011010001101001110110 |
| 3 | 11002012001111101010120222100 |
| 4 | 13010312320103101221312 |
| 5 | 13034333011302322220 |
| 6 | 150104220155042530 |
| 7 | 6361232556332160 |
| oct | 704667023215166 |
| 9 | 132161441116870 |
| 10 | 31120130120310 |
| 11 | 9a08a78175410 |
| 12 | 35a7358740446 |
| 13 | 14498008505ca |
| 14 | 79831812b930 |
| 15 | 38e78cb49d90 |
| hex | 1c4db84d1a76 |
31120130120310 has 384 divisors, whose sum is σ = 109416884548608. Its totient is φ = 5937693696000.
The previous prime is 31120130120281. The next prime is 31120130120353. The reversal of 31120130120310 is 1302103102113.
31120130120310 is a `hidden beast` number, since 3 + 1 + 1 + 201 + 30 + 120 + 310 = 666.
It is a super-2 number, since 2×311201301203102 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1608805 + ... + 8051615.
It is an arithmetic number, because the mean of its divisors is an integer number (284939803512).
Almost surely, 231120130120310 is an apocalyptic number.
31120130120310 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 31120130120310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54708442274304).
31120130120310 is an abundant number, since it is smaller than the sum of its proper divisors (78296754428298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31120130120310 is a wasteful number, since it uses less digits than its factorization.
31120130120310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6442900 (or 6442897 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 31120130120310 its reverse (1302103102113), we get a palindrome (32422233222423).
The spelling of 31120130120310 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, one hundred twenty thousand, three hundred ten".
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