Base | Representation |
---|---|
bin | 11101001011011010… |
… | …111001011100010101 |
3 | 2222212110010122210201 |
4 | 131023122321130111 |
5 | 1003131002111201 |
6 | 22220505020501 |
7 | 2156250366124 |
oct | 351332713425 |
9 | 88773118721 |
10 | 31330113301 |
11 | 12318039923 |
12 | 60a4484731 |
13 | 2c53b147a6 |
14 | 1732d67abb |
15 | c357b6801 |
hex | 74b6b9715 |
31330113301 has 4 divisors (see below), whose sum is σ = 31344817504. Its totient is φ = 31315409100.
The previous prime is 31330113299. The next prime is 31330113391. The reversal of 31330113301 is 10331103313.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31330113301 - 21 = 31330113299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31330113391) 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, 7348905 + ... + 7353166.
It is an arithmetic number, because the mean of its divisors is an integer number (7836204376).
Almost surely, 231330113301 is an apocalyptic number.
It is an amenable number.
31330113301 is a deficient number, since it is larger than the sum of its proper divisors (14704203).
31330113301 is a wasteful number, since it uses less digits than its factorization.
31330113301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14704202.
The product of its (nonzero) digits is 243, while the sum is 19.
Adding to 31330113301 its reverse (10331103313), we get a palindrome (41661216614).
The spelling of 31330113301 in words is "thirty-one billion, three hundred thirty million, one hundred thirteen thousand, three hundred one".
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