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1423033131 = 31343184659
BaseRepresentation
bin101010011010001…
…1100001100101011
310200011200120110210
41110310130030223
510403244030011
6353112312203
750156403432
oct12464341453
93604616423
101423033131
116702a0943
123386a2663
13198a84650
14d6dca119
1584de46a6
hex54d1c32b

1423033131 has 16 divisors (see below), whose sum is σ = 2048094720. Its totient is φ = 873670560.

The previous prime is 1423033123. The next prime is 1423033141. The reversal of 1423033131 is 1313303241.

It is not a de Polignac number, because 1423033131 - 23 = 1423033123 is a prime.

It is a super-2 number, since 2×14230331312 = 4050046583847326322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423033098 and 1423033107.

It is not an unprimeable number, because it can be changed into a prime (1423033121) 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, 25521 + ... + 59138.

It is an arithmetic number, because the mean of its divisors is an integer number (128005920).

Almost surely, 21423033131 is an apocalyptic number.

1423033131 is a deficient number, since it is larger than the sum of its proper divisors (625061589).

1423033131 is a wasteful number, since it uses less digits than its factorization.

1423033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85106.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1423033131 is about 37723.1113642552. Note that the first 3 decimals coincide. The cubic root of 1423033131 is about 1124.7905798828.

Adding to 1423033131 its reverse (1313303241), we get a palindrome (2736336372).

The spelling of 1423033131 in words is "one billion, four hundred twenty-three million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 13 39 431 1293 5603 16809 84659 253977 1100567 3301701 36488029 109464087 474344377 1423033131