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40303332231 = 381911640147
BaseRepresentation
bin100101100010010001…
…000000101110000111
310212000210211102002120
4211202101000232013
51130020123112411
630303132141023
72624516446221
oct454221005607
9125023742076
1040303332231
11161021a9038
127989607773
133a53b78ca6
141d449ab411
1510ad453106
hex962440b87

40303332231 has 8 divisors (see below), whose sum is σ = 53744369664. Its totient is φ = 26865591480.

The previous prime is 40303332211. The next prime is 40303332269. The reversal of 40303332231 is 13223330304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40303332231 - 210 = 40303331207 is a prime.

It is a super-2 number, since 2×403033322312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303332211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795501 + ... + 844646.

It is an arithmetic number, because the mean of its divisors is an integer number (6718046208).

Almost surely, 240303332231 is an apocalyptic number.

40303332231 is a deficient number, since it is larger than the sum of its proper divisors (13441037433).

40303332231 is a wasteful number, since it uses less digits than its factorization.

40303332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648341.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 40303332231 its reverse (13223330304), we get a palindrome (53526662535).

The spelling of 40303332231 in words is "forty billion, three hundred three million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 8191 24573 1640147 4920441 13434444077 40303332231