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231022829 is a prime number
BaseRepresentation
bin11011100010100…
…10000011101101
3121002201011202002
431301102003231
5433120212304
634531342045
75503442642
oct1561220355
9532634662
10231022829
11109451964
1265451925
1338b299cb
1422979dc9
151543631e
hexdc520ed

231022829 has 2 divisors, whose sum is σ = 231022830. Its totient is φ = 231022828.

The previous prime is 231022807. The next prime is 231022837. The reversal of 231022829 is 928220132.

231022829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166461604 + 64561225 = 12902^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 231022829 - 224 = 214245613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231022859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115511414 + 115511415.

It is an arithmetic number, because the mean of its divisors is an integer number (115511415).

Almost surely, 2231022829 is an apocalyptic number.

It is an amenable number.

231022829 is a deficient number, since it is larger than the sum of its proper divisors (1).

231022829 is an equidigital number, since it uses as much as digits as its factorization.

231022829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 231022829 is about 15199.4351539786. The cubic root of 231022829 is about 613.5994559996.

The spelling of 231022829 in words is "two hundred thirty-one million, twenty-two thousand, eight hundred twenty-nine".