Base | Representation |
---|---|
bin | 11101000000001001… |
… | …011111001101000000 |
3 | 2222101021021201010101 |
4 | 131000021133031000 |
5 | 1002234044000000 |
6 | 22150031412144 |
7 | 2151463063315 |
oct | 350011371500 |
9 | 88337251111 |
10 | 31141000000 |
11 | 12230312240 |
12 | 6051084054 |
13 | 2c2389c826 |
14 | 1715bbad0c |
15 | c23dace6a |
hex | 74025f340 |
31141000000 has 392 divisors, whose sum is σ = 89295732000. Its totient is φ = 10656000000.
The previous prime is 31140999991. The next prime is 31141000021. The reversal of 31141000000 is 14113.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 208999926 + ... + 209000074.
Almost surely, 231141000000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31141000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44647866000).
31141000000 is an abundant number, since it is smaller than the sum of its proper divisors (58154732000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31141000000 is an equidigital number, since it uses as much as digits as its factorization.
31141000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 31141000000 its reverse (14113), we get a palindrome (31141014113).
The spelling of 31141000000 in words is "thirty-one billion, one hundred forty-one million", and thus it is an aban number.
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