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342230031 = 321113594507
BaseRepresentation
bin10100011001100…
…000010000001111
3212211222002100100
4110121200100033
51200102330111
653543102143
711323623123
oct2431402017
9784862310
10342230031
111661a8540
1296741953
1355b956a0
1433647583
15200a1756
hex1466040f

342230031 has 48 divisors (see below), whose sum is σ = 590728320. Its totient is φ = 188170560.

The previous prime is 342230029. The next prime is 342230039. The reversal of 342230031 is 130032243.

It is not a de Polignac number, because 342230031 - 21 = 342230029 is a prime.

It is a super-2 number, since 2×3422300312 = 234242788236521922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342229986 and 342230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342230039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73680 + ... + 78186.

It is an arithmetic number, because the mean of its divisors is an integer number (12306840).

Almost surely, 2342230031 is an apocalyptic number.

342230031 is a deficient number, since it is larger than the sum of its proper divisors (248498289).

342230031 is a wasteful number, since it uses less digits than its factorization.

342230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596 (or 4593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 342230031 is about 18499.4602894247. The cubic root of 342230031 is about 699.4758191404.

Adding to 342230031 its reverse (130032243), we get a palindrome (472262274).

The spelling of 342230031 in words is "three hundred forty-two million, two hundred thirty thousand, thirty-one".

Divisors: 1 3 9 11 13 33 39 59 99 117 143 177 429 531 649 767 1287 1947 2301 4507 5841 6903 8437 13521 25311 40563 49577 58591 75933 148731 175773 265913 446193 527319 644501 797739 1933503 2393217 2925043 3456869 5800509 8775129 10370607 26325387 31111821 38025559 114076677 342230031