Base | Representation |
---|---|
bin | 110100100001101001111101… |
… | …010011110010110000101111 |
3 | 1010021221110022122121002100100 |
4 | 310201221331103302300233 |
5 | 220234341431102321221 |
6 | 2135153030351402143 |
7 | 66442003135313541 |
oct | 6441517523626057 |
9 | 1107843278532310 |
10 | 231011213323311 |
11 | 6767533a520043 |
12 | 21aab62bb23353 |
13 | 9bb9357b619c5 |
14 | 4109006777691 |
15 | 1ba91e9c5a926 |
hex | d21a7d4f2c2f |
231011213323311 has 24 divisors (see below), whose sum is σ = 333756922397184. Its totient is φ = 153973297731600.
The previous prime is 231011213323301. The next prime is 231011213323321. The reversal of 231011213323311 is 113323312110132.
231011213323311 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 1 + 1 + 21 + 3 + 323 + 311 = 666.
It is an interprime number because it is at equal distance from previous prime (231011213323301) and next prime (231011213323321).
It is a de Polignac number, because none of the positive numbers 2k-231011213323311 is a prime.
It is a super-2 number, since 2×2310112133233112 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231011213323301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 975406870 + ... + 975643676.
It is an arithmetic number, because the mean of its divisors is an integer number (13906538433216).
Almost surely, 2231011213323311 is an apocalyptic number.
231011213323311 is a deficient number, since it is larger than the sum of its proper divisors (102745709073873).
231011213323311 is a wasteful number, since it uses less digits than its factorization.
231011213323311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260411 (or 260408 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
Adding to 231011213323311 its reverse (113323312110132), we get a palindrome (344334525433443).
The spelling of 231011213323311 in words is "two hundred thirty-one trillion, eleven billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred eleven".
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