Base | Representation |
---|---|
bin | 1110000110110011010001… |
… | …01111100110010111110001 |
3 | 11001211111001220120102010221 |
4 | 13003121220233212113301 |
5 | 13031212440321320423 |
6 | 145550221341253041 |
7 | 6351056536015261 |
oct | 703315057462761 |
9 | 131744056512127 |
10 | 31020011120113 |
11 | 997a570650744 |
12 | 358ba76b64181 |
13 | 14402364a7062 |
14 | 79353b3717a1 |
15 | 38bd7d255e5d |
hex | 1c3668be65f1 |
31020011120113 has 8 divisors (see below), whose sum is σ = 31030746848640. Its totient is φ = 31009275846720.
The previous prime is 31020011120101. The next prime is 31020011120233. The reversal of 31020011120113 is 31102111002013.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31020011120113 - 217 = 31020010989041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31020011120513) 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, 190469748 + ... + 190632538.
It is an arithmetic number, because the mean of its divisors is an integer number (3878843356080).
Almost surely, 231020011120113 is an apocalyptic number.
It is an amenable number.
31020011120113 is a deficient number, since it is larger than the sum of its proper divisors (10735728527).
31020011120113 is a wasteful number, since it uses less digits than its factorization.
31020011120113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227567.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 31020011120113 its reverse (31102111002013), we get a palindrome (62122122122126).
The spelling of 31020011120113 in words is "thirty-one trillion, twenty billion, eleven million, one hundred twenty thousand, one hundred thirteen".
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