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231000313051 = 2815771424723
BaseRepresentation
bin1101011100100010110…
…0010000110011011011
3211002020210211202102001
43113020230100303123
512241042040004201
6254041534221431
722455255156304
oct3271054206333
9732223752361
10231000313051
1189a6a722232
1238929654877
1318a24a00a91
14b2753197ab
15601ece2301
hex35c8b10cdb

231000313051 has 8 divisors (see below), whose sum is σ = 232224313104. Its totient is φ = 229779164160.

The previous prime is 231000313001. The next prime is 231000313091. The reversal of 231000313051 is 150313000132.

231000313051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231000313051 is a prime.

It is a super-2 number, since 2×2310003130512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231000313001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550225 + ... + 874498.

It is an arithmetic number, because the mean of its divisors is an integer number (29028039138).

Almost surely, 2231000313051 is an apocalyptic number.

231000313051 is a deficient number, since it is larger than the sum of its proper divisors (1224000053).

231000313051 is a wasteful number, since it uses less digits than its factorization.

231000313051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425581.

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 231000313051 its reverse (150313000132), we get a palindrome (381313313183).

The spelling of 231000313051 in words is "two hundred thirty-one billion, three hundred thirteen thousand, fifty-one".

Divisors: 1 281 577 162137 1424723 400347163 822065171 231000313051