Base | Representation |
---|---|
bin | 1110001100001000101111… |
… | …00010000100000101010110 |
3 | 11002111000020212112201122220 |
4 | 13012010113202010011112 |
5 | 13042213411021223110 |
6 | 150210340220403210 |
7 | 6400236442412220 |
oct | 706042742040526 |
9 | 132430225481586 |
10 | 31203332211030 |
11 | 9a40293622661 |
12 | 35bb4b89a6506 |
13 | 14546001a6755 |
14 | 79c36c277410 |
15 | 391a0c2cb370 |
hex | 1c6117884156 |
31203332211030 has 64 divisors (see below), whose sum is σ = 85594214246400. Its totient is φ = 7131529252224.
The previous prime is 31203332210929. The next prime is 31203332211041. The reversal of 31203332211030 is 3011223330213.
It is a congruent number.
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, 4611889 + ... + 9147468.
It is an arithmetic number, because the mean of its divisors is an integer number (1337409597600).
Almost surely, 231203332211030 is an apocalyptic number.
31203332211030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31203332211030 is an abundant number, since it is smaller than the sum of its proper divisors (54390882035370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31203332211030 is a wasteful number, since it uses less digits than its factorization.
31203332211030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13770173.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 31203332211030 its reverse (3011223330213), we get a palindrome (34214555541243).
It can be divided in two parts, 31203 and 332211030, that added together give a palindrome (332242233).
The spelling of 31203332211030 in words is "thirty-one trillion, two hundred three billion, three hundred thirty-two million, two hundred eleven thousand, thirty".
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