Search a number
-
+
323101031421 = 3715797998493
BaseRepresentation
bin1001011001110100101…
…00100111101111111101
31010212222110121000101110
410230322110213233331
520243202331001141
6404233000232233
732225513311230
oct4547224475775
91125873530343
10323101031421
11115032122103
1252751a6b679
1324611b02b7c
14118d120d417
1586107c8e16
hex4b3a527bfd

323101031421 has 16 divisors (see below), whose sum is σ = 495480385664. Its totient is φ = 183453177024.

The previous prime is 323101031381. The next prime is 323101031437. The reversal of 323101031421 is 124130101323.

It is not a de Polignac number, because 323101031421 - 213 = 323101023229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323101031441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48995950 + ... + 49002543.

It is an arithmetic number, because the mean of its divisors is an integer number (30967524104).

Almost surely, 2323101031421 is an apocalyptic number.

It is an amenable number.

323101031421 is a deficient number, since it is larger than the sum of its proper divisors (172379354243).

323101031421 is a wasteful number, since it uses less digits than its factorization.

323101031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97998660.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 323101031421 its reverse (124130101323), we get a palindrome (447231132744).

The spelling of 323101031421 in words is "three hundred twenty-three billion, one hundred one million, thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 7 21 157 471 1099 3297 97998493 293995479 685989451 2057968353 15385763401 46157290203 107700343807 323101031421