Search a number
-
+
31433042001 = 341728335089
BaseRepresentation
bin11101010001100011…
…100010100001010001
310000010121210222102210
4131101203202201101
51003333324321001
622235023102333
72161640306604
oct352143424121
9100117728383
1031433042001
1112370150769
126112a419a9
132c6c24234a
1417428bc33b
15c3e848dd6
hex7518e2851

31433042001 has 16 divisors (see below), whose sum is σ = 42940054080. Its totient is φ = 20440865280.

The previous prime is 31433041949. The next prime is 31433042059. The reversal of 31433042001 is 10024033413.

It is not a de Polignac number, because 31433042001 - 218 = 31432779857 is a prime.

It is a super-2 number, since 2×314330420012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31433042101) 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, 878265 + ... + 913353.

It is an arithmetic number, because the mean of its divisors is an integer number (2683753380).

Almost surely, 231433042001 is an apocalyptic number.

It is an amenable number.

31433042001 is a deficient number, since it is larger than the sum of its proper divisors (11507012079).

31433042001 is a wasteful number, since it uses less digits than its factorization.

31433042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42416.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31433042001 its reverse (10024033413), we get a palindrome (41457075414).

The spelling of 31433042001 in words is "thirty-one billion, four hundred thirty-three million, forty-two thousand, one".

Divisors: 1 3 41 123 7283 21849 35089 105267 298603 895809 1438649 4315947 255553187 766659561 10477680667 31433042001