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431203102 = 21121781831
BaseRepresentation
bin11001101100111…
…010001100011110
31010001101101110021
4121230322030132
51340341444402
6110442102354
713454110621
oct3154721436
91101341407
10431203102
11201448300
121004aa9ba
136b448085
14413a7db8
1527cc8d37
hex19b3a31e

431203102 has 12 divisors (see below), whose sum is σ = 710950968. Its totient is φ = 196001300.

The previous prime is 431203099. The next prime is 431203139. The reversal of 431203102 is 201302134.

It is a happy number.

It is a super-2 number, since 2×4312031022 = 371872230348844808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 890674 + ... + 891157.

It is an arithmetic number, because the mean of its divisors is an integer number (59245914).

Almost surely, 2431203102 is an apocalyptic number.

431203102 is a deficient number, since it is larger than the sum of its proper divisors (279747866).

431203102 is a wasteful number, since it uses less digits than its factorization.

431203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781855 (or 1781844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 431203102 is about 20765.4304554469. The cubic root of 431203102 is about 755.4875157861.

Adding to 431203102 its reverse (201302134), we get a palindrome (632505236).

The spelling of 431203102 in words is "four hundred thirty-one million, two hundred three thousand, one hundred two".

Divisors: 1 2 11 22 121 242 1781831 3563662 19600141 39200282 215601551 431203102