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231433220101 = 10318311227157
BaseRepresentation
bin1101011110001001111…
…1101011000000000101
3211010100222102201020111
43113202133223000011
512242433401020401
6254152521033021
722502062625056
oct3274237530005
9733328381214
10231433220101
118a172023756
1238a2a625771
1318a935c45b5
14b2b6a0872d
156047d05e51
hex35e27eb005

231433220101 has 8 divisors (see below), whose sum is σ = 233807959424. Its totient is φ = 229060938960.

The previous prime is 231433220099. The next prime is 231433220107. The reversal of 231433220101 is 101022334132.

231433220101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 231433220101 - 21 = 231433220099 is a prime.

It is a super-2 number, since 2×2314332201012 (a number of 24 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 (231433220107) 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 7 ways as a sum of consecutive naturals, for example, 424986 + ... + 802171.

It is an arithmetic number, because the mean of its divisors is an integer number (29225994928).

Almost surely, 2231433220101 is an apocalyptic number.

It is an amenable number.

231433220101 is a deficient number, since it is larger than the sum of its proper divisors (2374739323).

231433220101 is a wasteful number, since it uses less digits than its factorization.

231433220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229091.

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

Adding to 231433220101 its reverse (101022334132), we get a palindrome (332455554233).

The spelling of 231433220101 in words is "two hundred thirty-one billion, four hundred thirty-three million, two hundred twenty thousand, one hundred one".

Divisors: 1 103 1831 188593 1227157 126397171 2246924467 231433220101