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31321301001 = 312119861493
BaseRepresentation
bin11101001010111001…
…010010000000001001
32222211211112221121020
4131022321102000021
51003121223113001
622215552103053
72156112444234
oct351271220011
988754487536
1031321301001
1112313070031
1260a1534a89
132c5204a703
141731b1241b
15c34b25736
hex74ae52009

31321301001 has 8 divisors (see below), whose sum is σ = 41765229120. Its totient is φ = 20879120112.

The previous prime is 31321300999. The next prime is 31321301009. The reversal of 31321301001 is 10010312313.

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

It is not a de Polignac number, because 31321301001 - 21 = 31321300999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31321301009) 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, 394390 + ... + 467103.

It is an arithmetic number, because the mean of its divisors is an integer number (5220653640).

Almost surely, 231321301001 is an apocalyptic number.

It is an amenable number.

31321301001 is a deficient number, since it is larger than the sum of its proper divisors (10443928119).

31321301001 is a wasteful number, since it uses less digits than its factorization.

31321301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873615.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31321301001 its reverse (10010312313), we get a palindrome (41331613314).

The spelling of 31321301001 in words is "thirty-one billion, three hundred twenty-one million, three hundred one thousand, one".

Divisors: 1 3 12119 36357 861493 2584479 10440433667 31321301001