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204301434431 = 1736011964947
BaseRepresentation
bin1011111001000101010…
…0000111111000111111
3201112100010012012020202
42332101110013320333
511321402131400211
6233504344434115
720521531353113
oct2762124077077
9645303165222
10204301434431
1179709919596
123371817893b
131635b521553
149c6149d743
hex2f91507e3f

204301434431 has 8 divisors (see below), whose sum is σ = 205824373104. Its totient is φ = 202782427200.

The previous prime is 204301434419. The next prime is 204301434437. The reversal of 204301434431 is 134434103402.

Adding to 204301434431 its reverse (134434103402), we get a palindrome (338735537833).

It is a happy number.

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 204301434431 - 218 = 204301172287 is a prime.

It is a super-2 number, since 2×2043014344312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204301434394 and 204301434403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204301434437) 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, 878501 + ... + 1086446.

It is an arithmetic number, because the mean of its divisors is an integer number (25728046638).

Almost surely, 2204301434431 is an apocalyptic number.

204301434431 is a deficient number, since it is larger than the sum of its proper divisors (1522938673).

204301434431 is a wasteful number, since it uses less digits than its factorization.

204301434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965721.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 204301434431 in words is "two hundred four billion, three hundred one million, four hundred thirty-four thousand, four hundred thirty-one".