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320234342430131 = 1220370067374531
BaseRepresentation
bin100100011010000000101111…
…0001110011011010110110011
31112222212002210221000222122222
41020310001132032123112303
5313433204413130231011
63053025343113551255
7124311111351350003
oct11064013616332663
91488762727028588
10320234342430131
119304469289a818
122babb68941552b
131098bc79926c9c
1459115d3bd0003
15270506bb08ddb
hex123405e39b5b3

320234342430131 has 8 divisors (see below), whose sum is σ = 320266010579904. Its totient is φ = 320202675193960.

The previous prime is 320234342430109. The next prime is 320234342430157. The reversal of 320234342430131 is 131034243432023.

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-320234342430131 is a prime.

It is a super-2 number, since 2×3202343424301312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320234342430091 and 320234342430100.

It is not an unprimeable number, because it can be changed into a prime (320234342430181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854840336 + ... + 855214866.

It is an arithmetic number, because the mean of its divisors is an integer number (40033251322488).

Almost surely, 2320234342430131 is an apocalyptic number.

320234342430131 is a deficient number, since it is larger than the sum of its proper divisors (31668149773).

320234342430131 is a wasteful number, since it uses less digits than its factorization.

320234342430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456801.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 320234342430131 its reverse (131034243432023), we get a palindrome (451268585862154).

The spelling of 320234342430131 in words is "three hundred twenty trillion, two hundred thirty-four billion, three hundred forty-two million, four hundred thirty thousand, one hundred thirty-one".

Divisors: 1 12203 70067 374531 855027601 4570401793 26242263577 320234342430131