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231433220103 = 3151303509867
BaseRepresentation
bin1101011110001001111…
…1101011000000000111
3211010100222102201020120
43113202133223000013
512242433401020403
6254152521033023
722502062625061
oct3274237530007
9733328381216
10231433220103
118a172023758
1238a2a625773
1318a935c45b7
14b2b6a08731
156047d05e53
hex35e27eb007

231433220103 has 8 divisors (see below), whose sum is σ = 308580271488. Its totient is φ = 154287491064.

The previous prime is 231433220099. The next prime is 231433220107. The reversal of 231433220103 is 301022334132.

It is an interprime number because it is at equal distance from previous prime (231433220099) and next prime (231433220107).

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

It is not a de Polignac number, because 231433220103 - 22 = 231433220099 is a prime.

It is a super-2 number, since 2×2314332201032 (a number of 24 digits) contains 22 as substring.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198976 + ... + 708842.

It is an arithmetic number, because the mean of its divisors is an integer number (38572533936).

Almost surely, 2231433220103 is an apocalyptic number.

231433220103 is a deficient number, since it is larger than the sum of its proper divisors (77147051385).

231433220103 is a wasteful number, since it uses less digits than its factorization.

231433220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661173.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231433220103 its reverse (301022334132), we get a palindrome (532455554235).

The spelling of 231433220103 in words is "two hundred thirty-one billion, four hundred thirty-three million, two hundred twenty thousand, one hundred three".

Divisors: 1 3 151303 453909 509867 1529601 77144406701 231433220103