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31014300223 = 48767635969
BaseRepresentation
bin11100111000100110…
…001010101000111111
32222001102212200201001
4130320212022220333
51002004130101343
622125304031131
72145364126234
oct347046125077
988042780631
1031014300223
1112175844885
1260167624a7
132c0356b24a
14170303978b
15c17bd244d
hex73898aa3f

31014300223 has 4 divisors (see below), whose sum is σ = 31014984960. Its totient is φ = 31013615488.

The previous prime is 31014300209. The next prime is 31014300253. The reversal of 31014300223 is 32200341013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32200341013 = 57375612749.

It is a cyclic number.

It is not a de Polignac number, because 31014300223 - 213 = 31014292031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31014300223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31014300253) 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 3 ways as a sum of consecutive naturals, for example, 269218 + ... + 366751.

It is an arithmetic number, because the mean of its divisors is an integer number (7753746240).

Almost surely, 231014300223 is an apocalyptic number.

31014300223 is a deficient number, since it is larger than the sum of its proper divisors (684737).

31014300223 is an equidigital number, since it uses as much as digits as its factorization.

31014300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684736.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31014300223 its reverse (32200341013), we get a palindrome (63214641236).

The spelling of 31014300223 in words is "thirty-one billion, fourteen million, three hundred thousand, two hundred twenty-three".

Divisors: 1 48767 635969 31014300223