Base | Representation |
---|---|
bin | 1110001111010001110111… |
… | …00001011111011111000101 |
3 | 11002212022222001020002022120 |
4 | 13013220323201133133011 |
5 | 13101001030404121201 |
6 | 150332114540120153 |
7 | 6411111312362553 |
oct | 707507341373705 |
9 | 132768861202276 |
10 | 31311310223301 |
11 | 9a82063378429 |
12 | 3618412536059 |
13 | 146184a7cb1c4 |
14 | 7a3692ababd3 |
15 | 39472bb1b536 |
hex | 1c7a3b85f7c5 |
31311310223301 has 8 divisors (see below), whose sum is σ = 41748440035104. Its totient is φ = 20874193613520.
The previous prime is 31311310223293. The next prime is 31311310223321. The reversal of 31311310223301 is 10332201311313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31311310223301 - 23 = 31311310223293 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31311310223321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5887210 + ... + 9863156.
It is an arithmetic number, because the mean of its divisors is an integer number (5218555004388).
Almost surely, 231311310223301 is an apocalyptic number.
It is an amenable number.
31311310223301 is a deficient number, since it is larger than the sum of its proper divisors (10437129811803).
31311310223301 is a wasteful number, since it uses less digits than its factorization.
31311310223301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6601011.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 31311310223301 its reverse (10332201311313), we get a palindrome (41643511534614).
The spelling of 31311310223301 in words is "thirty-one trillion, three hundred eleven billion, three hundred ten million, two hundred twenty-three thousand, three hundred one".
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