Search a number
-
+
343045031 = 7229733307
BaseRepresentation
bin10100011100100…
…111001110100111
3212220111111022112
4110130213032213
51200304420111
654012351235
711333556200
oct2434471647
9786444275
10343045031
1116670489a
1296a7551b
13560bc634
14337ba5a7
15201b2e8b
hex147273a7

343045031 has 24 divisors (see below), whose sum is σ = 418594320. Its totient is φ = 279925632.

The previous prime is 343045007. The next prime is 343045049. The reversal of 343045031 is 130540343.

It is not a de Polignac number, because 343045031 - 26 = 343044967 is a prime.

It is a super-2 number, since 2×3430450312 = 235359786587581922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343044988 and 343045006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343045051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102080 + ... + 105386.

It is an arithmetic number, because the mean of its divisors is an integer number (17441430).

Almost surely, 2343045031 is an apocalyptic number.

343045031 is a deficient number, since it is larger than the sum of its proper divisors (75549289).

343045031 is a wasteful number, since it uses less digits than its factorization.

343045031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 343045031 is about 18521.4748602804. The cubic root of 343045031 is about 700.0306319929.

Adding to 343045031 its reverse (130540343), we get a palindrome (473585374).

The spelling of 343045031 in words is "three hundred forty-three million, forty-five thousand, thirty-one".

Divisors: 1 7 29 49 73 203 511 1421 2117 3307 3577 14819 23149 95903 103733 162043 241411 671321 1689877 4699247 7000919 11829139 49006433 343045031