Base | Representation |
---|---|
bin | 1110000111000110010011… |
… | …10110110001000001101110 |
3 | 11001212110110002210201112020 |
4 | 13003203021312301001232 |
5 | 13031344402430321220 |
6 | 145555031354251010 |
7 | 6351601014554511 |
oct | 703431166610156 |
9 | 131773402721466 |
10 | 31030230323310 |
11 | 9983935074319 |
12 | 3591a49426a66 |
13 | 14411a471335a |
14 | 793c2a674d78 |
15 | 38c27a4b3040 |
hex | 1c38c9db106e |
31030230323310 has 64 divisors (see below), whose sum is σ = 74522746013184. Its totient is φ = 8269152969600.
The previous prime is 31030230323221. The next prime is 31030230323317. The reversal of 31030230323310 is 1332303203013.
It is a super-2 number, since 2×310302303233102 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31030230323317) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273851487 + ... + 273964773.
It is an arithmetic number, because the mean of its divisors is an integer number (1164417906456).
Almost surely, 231030230323310 is an apocalyptic number.
31030230323310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31030230323310 is an abundant number, since it is smaller than the sum of its proper divisors (43492515689874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31030230323310 is a wasteful number, since it uses less digits than its factorization.
31030230323310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119369.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 31030230323310 its reverse (1332303203013), we get a palindrome (32362533526323).
The spelling of 31030230323310 in words is "thirty-one trillion, thirty billion, two hundred thirty million, three hundred twenty-three thousand, three hundred ten".
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