Base | Representation |
---|---|
bin | 10101110100100111… |
… | …110110101010000111 |
3 | 2020110222101112102022 |
4 | 111310213312222013 |
5 | 340441422103111 |
6 | 14433025033355 |
7 | 1456436651105 |
oct | 256447665207 |
9 | 66428345368 |
10 | 23431441031 |
11 | 9a3448a4a9 |
12 | 465b18585b |
13 | 229558b60b |
14 | 11c3d18c75 |
15 | 9221342db |
hex | 5749f6a87 |
23431441031 has 4 divisors (see below), whose sum is σ = 23434093632. Its totient is φ = 23428788432.
The previous prime is 23431441013. The next prime is 23431441039. The reversal of 23431441031 is 13014413432.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23431441031 - 210 = 23431440007 is a prime.
It is a super-2 number, since 2×234314410312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23431441039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313006 + ... + 1330731.
It is an arithmetic number, because the mean of its divisors is an integer number (5858523408).
Almost surely, 223431441031 is an apocalyptic number.
23431441031 is a deficient number, since it is larger than the sum of its proper divisors (2652601).
23431441031 is an equidigital number, since it uses as much as digits as its factorization.
23431441031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2652600.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 23431441031 its reverse (13014413432), we get a palindrome (36445854463).
The spelling of 23431441031 in words is "twenty-three billion, four hundred thirty-one million, four hundred forty-one thousand, thirty-one".
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