Search a number
-
+
320131210103 = 1033108070001
BaseRepresentation
bin1001010100010010100…
…11101001101101110111
31010121022111100110102022
410222021103221231313
520221112042210403
6403022150503355
732062102250105
oct4521123515567
91117274313368
10320131210103
111138487a4421
1252063364b5b
132425a756a53
14116cca20c75
1584d9be6d38
hex4a894e9b77

320131210103 has 4 divisors (see below), whose sum is σ = 323239280208. Its totient is φ = 317023140000.

The previous prime is 320131210097. The next prime is 320131210127. The reversal of 320131210103 is 301012131023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301012131023 = 833626652181.

It is a cyclic number.

It is not a de Polignac number, because 320131210103 - 234 = 302951340919 is a prime.

It is a super-2 number, since 2×3201312101032 (a number of 24 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 (320131212103) 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, 1554034898 + ... + 1554035103.

It is an arithmetic number, because the mean of its divisors is an integer number (80809820052).

Almost surely, 2320131210103 is an apocalyptic number.

320131210103 is a deficient number, since it is larger than the sum of its proper divisors (3108070105).

320131210103 is a wasteful number, since it uses less digits than its factorization.

320131210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108070104.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 320131210103 its reverse (301012131023), we get a palindrome (621143341126).

The spelling of 320131210103 in words is "three hundred twenty billion, one hundred thirty-one million, two hundred ten thousand, one hundred three".

Divisors: 1 103 3108070001 320131210103