Search a number
-
+
1031210032331 = 2328323486233
BaseRepresentation
bin11110000000110001110…
…10000101110011001011
310122120201210121100011102
433000120322011303023
5113343404232013311
62105421545452015
7134334226435643
oct17003072056313
93576653540142
101031210032331
113683741a8146
12147a321a100b
13763202585ab
1437ca7473523
151bc5670d43b
hexf018e85ccb

1031210032331 has 12 divisors (see below), whose sum is σ = 1090982541768. Its totient is φ = 974490738144.

The previous prime is 1031210032297. The next prime is 1031210032367. The reversal of 1031210032331 is 1332300121301.

It is not a de Polignac number, because 1031210032331 - 226 = 1031142923467 is a prime.

It is a super-2 number, since 2×10312100323312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031210034331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11699210 + ... + 11787023.

It is an arithmetic number, because the mean of its divisors is an integer number (90915211814).

Almost surely, 21031210032331 is an apocalyptic number.

1031210032331 is a deficient number, since it is larger than the sum of its proper divisors (59772509437).

1031210032331 is an equidigital number, since it uses as much as digits as its factorization.

1031210032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486362 (or 23486339 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031210032331 its reverse (1332300121301), we get a palindrome (2363510153632).

The spelling of 1031210032331 in words is "one trillion, thirty-one billion, two hundred ten million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 23 83 529 1909 43907 23486233 540183359 1949357339 12424217257 44835218797 1031210032331