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1041232231 = 1380094787
BaseRepresentation
bin111110000011111…
…111000101100111
32200120021002002201
4332003333011213
54113023412411
6251153115331
734542220324
oct7603770547
92616232081
101041232231
11494826206
12250858b47
13137945860
149c401b4b
15616283c1
hex3e0ff167

1041232231 has 4 divisors (see below), whose sum is σ = 1121327032. Its totient is φ = 961137432.

The previous prime is 1041232183. The next prime is 1041232237. The reversal of 1041232231 is 1322321401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322321401 = 10912131389.

It is a cyclic number.

It is not a de Polignac number, because 1041232231 - 225 = 1007677799 is a prime.

It is a super-2 number, since 2×10412322312 = 2168329117746474722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1041232199 and 1041232208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041232237) 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 3 ways as a sum of consecutive naturals, for example, 40047381 + ... + 40047406.

It is an arithmetic number, because the mean of its divisors is an integer number (280331758).

Almost surely, 21041232231 is an apocalyptic number.

1041232231 is a deficient number, since it is larger than the sum of its proper divisors (80094801).

1041232231 is an equidigital number, since it uses as much as digits as its factorization.

1041232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80094800.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1041232231 is about 32268.1302681144. The cubic root of 1041232231 is about 1013.5593889743.

Adding to 1041232231 its reverse (1322321401), we get a palindrome (2363553632).

The spelling of 1041232231 in words is "one billion, forty-one million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 13 80094787 1041232231