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214031023231 = 336476361073
BaseRepresentation
bin1100011101010100111…
…1100011110001111111
3202110110012010111221111
43013111033203301333
512001313420220411
6242154031342451
721314613452164
oct3072517436177
9673405114844
10214031023231
1182851a29673
1235592681a27
131724c1a099c
14a50575206b
15587a184721
hex31d53e3c7f

214031023231 has 4 divisors (see below), whose sum is σ = 214037417952. Its totient is φ = 214024628512.

The previous prime is 214031023223. The next prime is 214031023307. The reversal of 214031023231 is 132320130412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214031023231 - 23 = 214031023223 is a prime.

It is a super-2 number, since 2×2140310232312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031023201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146890 + ... + 3214183.

It is an arithmetic number, because the mean of its divisors is an integer number (53509354488).

Almost surely, 2214031023231 is an apocalyptic number.

214031023231 is a deficient number, since it is larger than the sum of its proper divisors (6394721).

214031023231 is an equidigital number, since it uses as much as digits as its factorization.

214031023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394720.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 214031023231 its reverse (132320130412), we get a palindrome (346351153643).

The spelling of 214031023231 in words is "two hundred fourteen billion, thirty-one million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 33647 6361073 214031023231