Base | Representation |
---|---|
bin | 1110000110111001000001… |
… | …10111100000100000111111 |
3 | 11001211210001012012222112000 |
4 | 13003130200313200200333 |
5 | 13031240302122413043 |
6 | 145551452051113343 |
7 | 6351226225535130 |
oct | 703344067404077 |
9 | 131753035188460 |
10 | 31023100201023 |
11 | 9980906324977 |
12 | 35905995a2853 |
13 | 144060947b098 |
14 | 793751725c87 |
15 | 38beae5442d3 |
hex | 1c3720de083f |
31023100201023 has 64 divisors (see below), whose sum is σ = 55656513469440. Its totient is φ = 16672431052800.
The previous prime is 31023100201007. The next prime is 31023100201039. The reversal of 31023100201023 is 32010200132013.
31023100201023 is a `hidden beast` number, since 310 + 2 + 310 + 0 + 20 + 1 + 0 + 23 = 666.
It is an interprime number because it is at equal distance from previous prime (31023100201007) and next prime (31023100201039).
It is not a de Polignac number, because 31023100201023 - 24 = 31023100201007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31023100200987 and 31023100201005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31023100201043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 825688 + ... + 7920098.
It is an arithmetic number, because the mean of its divisors is an integer number (869633022960).
Almost surely, 231023100201023 is an apocalyptic number.
31023100201023 is a deficient number, since it is larger than the sum of its proper divisors (24633413268417).
31023100201023 is a wasteful number, since it uses less digits than its factorization.
31023100201023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7095805 (or 7095799 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 31023100201023 its reverse (32010200132013), we get a palindrome (63033300333036).
The spelling of 31023100201023 in words is "thirty-one trillion, twenty-three billion, one hundred million, two hundred one thousand, twenty-three".
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