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30433401231 = 343331971081
BaseRepresentation
bin11100010101111110…
…001101100110001111
32220112221210222002120
4130111332031212033
5444311422314411
621551513224023
72125111433202
oct342576154617
986487728076
1030433401231
11119a7952872
125a94102013
132b400cc82c
141689c25939
15bd1bd9106
hex715f8d98f

30433401231 has 16 divisors (see below), whose sum is σ = 41534634240. Its totient is φ = 19810848960.

The previous prime is 30433401227. The next prime is 30433401247. The reversal of 30433401231 is 13210433403.

It is not a de Polignac number, because 30433401231 - 22 = 30433401227 is a prime.

It is a super-2 number, since 2×304334012312 (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 (30433401931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392611 + ... + 463691.

It is an arithmetic number, because the mean of its divisors is an integer number (2595914640).

Almost surely, 230433401231 is an apocalyptic number.

30433401231 is a deficient number, since it is larger than the sum of its proper divisors (11101233009).

30433401231 is a wasteful number, since it uses less digits than its factorization.

30433401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74446.

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

Adding to 30433401231 its reverse (13210433403), we get a palindrome (43643834634).

The spelling of 30433401231 in words is "thirty billion, four hundred thirty-three million, four hundred one thousand, two hundred thirty-one".

Divisors: 1 3 43 129 3319 9957 71081 142717 213243 428151 3056483 9169449 235917839 707753517 10144467077 30433401231