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3102312423 = 37147729163
BaseRepresentation
bin1011100011101001…
…1000011111100111
322000012112210121010
42320322120133213
522323142444143
61231501153303
7136610135430
oct27072303747
98005483533
103102312423
1113521a1271
12726b5b833
133a5957732
1421603a487
15132553a33
hexb8e987e7

3102312423 has 8 divisors (see below), whose sum is σ = 4727333248. Its totient is φ = 1772749944.

The previous prime is 3102312401. The next prime is 3102312449. The reversal of 3102312423 is 3242132013.

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

It is not a de Polignac number, because 3102312423 - 214 = 3102296039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 147729163 = 3102312423 / (3 + 1 + 0 + 2 + 3 + 1 + 2 + 4 + 2 + 3).

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 3102312423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102312523) 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, 73864561 + ... + 73864602.

It is an arithmetic number, because the mean of its divisors is an integer number (590916656).

Almost surely, 23102312423 is an apocalyptic number.

3102312423 is a deficient number, since it is larger than the sum of its proper divisors (1625020825).

3102312423 is a wasteful number, since it uses less digits than its factorization.

3102312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147729173.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3102312423 is about 55698.4059287158. The cubic root of 3102312423 is about 1458.4621987661.

Adding to 3102312423 its reverse (3242132013), we get a palindrome (6344444436).

The spelling of 3102312423 in words is "three billion, one hundred two million, three hundred twelve thousand, four hundred twenty-three".

Divisors: 1 3 7 21 147729163 443187489 1034104141 3102312423