Base | Representation |
---|---|
bin | 11100110111111000… |
… | …111011011000000111 |
3 | 2222000121120012012211 |
4 | 130313320323120013 |
5 | 1001443111104343 |
6 | 22124201524251 |
7 | 2145161255005 |
oct | 346770733007 |
9 | 88017505184 |
10 | 31002441223 |
11 | 1216a084a56 |
12 | 60127a3687 |
13 | 2c00c784a0 |
14 | 170162da75 |
15 | c16b3d79d |
hex | 737e3b607 |
31002441223 has 32 divisors (see below), whose sum is σ = 34996292352. Its totient is φ = 27273216000.
The previous prime is 31002441181. The next prime is 31002441247. The reversal of 31002441223 is 32214420013.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31002441223 is a prime.
It is a super-2 number, since 2×310024412232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31002441194 and 31002441203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31002441023) 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, 19363623 + ... + 19365223.
It is an arithmetic number, because the mean of its divisors is an integer number (1093634136).
Almost surely, 231002441223 is an apocalyptic number.
31002441223 is a deficient number, since it is larger than the sum of its proper divisors (3993851129).
31002441223 is a wasteful number, since it uses less digits than its factorization.
31002441223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2475.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 31002441223 its reverse (32214420013), we get a palindrome (63216861236).
The spelling of 31002441223 in words is "thirty-one billion, two million, four hundred forty-one thousand, two hundred twenty-three".
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