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32400421310031 = 3229144732593079
BaseRepresentation
bin1110101110111110011111…
…00110100100111001001111
311020201110011001212202011020
413113133033212210321033
513221322030323410111
6152524314214325223
76552565434023355
oct727371746447117
9136643131782136
1032400421310031
11a361a3a174745
123773503659813
1315104676a4a18
1480028dd4d7d5
153b2c21672906
hex1d77cf9a4e4f

32400421310031 has 16 divisors (see below), whose sum is σ = 43419197452800. Its totient is φ = 21491093399328.

The previous prime is 32400421310029. The next prime is 32400421310051. The reversal of 32400421310031 is 13001312400423.

It is a happy number.

It is not a de Polignac number, because 32400421310031 - 21 = 32400421310029 is a prime.

It is a super-2 number, since 2×324004213100312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32400421309983 and 32400421310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400421310051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15302451 + ... + 17290628.

It is an arithmetic number, because the mean of its divisors is an integer number (2713699840800).

Almost surely, 232400421310031 is an apocalyptic number.

32400421310031 is a deficient number, since it is larger than the sum of its proper divisors (11018776142769).

32400421310031 is a wasteful number, since it uses less digits than its factorization.

32400421310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32594758.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32400421310031 its reverse (13001312400423), we get a palindrome (45401733710454).

The spelling of 32400421310031 in words is "thirty-two trillion, four hundred billion, four hundred twenty-one million, three hundred ten thousand, thirty-one".

Divisors: 1 3 229 687 1447 4341 331363 994089 32593079 97779237 7463815091 22391445273 47162185313 141486555939 10800140436677 32400421310031