Base | Representation |
---|---|
bin | 11101001001101000… |
… | …110101001001101110 |
3 | 2222210100212110222120 |
4 | 131021220311021232 |
5 | 1003100323230220 |
6 | 22213520053410 |
7 | 2155435256244 |
oct | 351150651156 |
9 | 88710773876 |
10 | 31300211310 |
11 | 12302176035 |
12 | 6096464266 |
13 | 2c4a8752c4 |
14 | 172cdc2794 |
15 | c32d5ba40 |
hex | 749a3526e |
31300211310 has 16 divisors (see below), whose sum is σ = 75120507216. Its totient is φ = 8346723008.
The previous prime is 31300211297. The next prime is 31300211323. The reversal of 31300211310 is 1311200313.
It is an interprime number because it is at equal distance from previous prime (31300211297) and next prime (31300211323).
It is a super-2 number, since 2×313002113102 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 31300211310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521670159 + ... + 521670218.
It is an arithmetic number, because the mean of its divisors is an integer number (4695031701).
Almost surely, 231300211310 is an apocalyptic number.
31300211310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31300211310 is an abundant number, since it is smaller than the sum of its proper divisors (43820295906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31300211310 is a wasteful number, since it uses less digits than its factorization.
31300211310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043340387.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 31300211310 its reverse (1311200313), we get a palindrome (32611411623).
The spelling of 31300211310 in words is "thirty-one billion, three hundred million, two hundred eleven thousand, three hundred ten".
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