Search a number
-
+
1031331101001 = 31720222178451
BaseRepresentation
bin11110000001000000001…
…11111011100101001001
310122121001020102021011020
433000200013323211021
5113344131230213001
62105441552423053
7134340226500555
oct17004007734511
93577036367136
101031331101001
113684265798a3
12147a66847a89
137633c367a66
1437cb958a865
151bc62175736
hexf0201fb949

1031331101001 has 8 divisors (see below), whose sum is σ = 1455996848544. Its totient is φ = 647109710400.

The previous prime is 1031331100993. The next prime is 1031331101029. The reversal of 1031331101001 is 1001011331301.

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

It is not a de Polignac number, because 1031331101001 - 23 = 1031331100993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031331101041) 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, 10111089175 + ... + 10111089276.

It is an arithmetic number, because the mean of its divisors is an integer number (181999606068).

Almost surely, 21031331101001 is an apocalyptic number.

It is an amenable number.

1031331101001 is a deficient number, since it is larger than the sum of its proper divisors (424665747543).

1031331101001 is a wasteful number, since it uses less digits than its factorization.

1031331101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222178471.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 1031331101001 its reverse (1001011331301), we get a palindrome (2032342432302).

The spelling of 1031331101001 in words is "one trillion, thirty-one billion, three hundred thirty-one million, one hundred one thousand, one".

Divisors: 1 3 17 51 20222178451 60666535353 343777033667 1031331101001